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Wen X, Wu D, Chen D, Xu P, Zhao T, Chen S, Zhu Z, Zhong H, Chen P. Soil organic matter and total nitrogen as key driving factors promoting the assessment of acid-base buffering characteristics in a tea (Camellia sinensis) plantation habitat. ENVIRONMENTAL MONITORING AND ASSESSMENT 2024; 196:596. [PMID: 38839676 DOI: 10.1007/s10661-024-12770-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Accepted: 05/25/2024] [Indexed: 06/07/2024]
Abstract
The issue of soil acidification in tea plantations has become a critical concern due to its potential impact on tea quality and plant health. Understanding the factors contributing to soil acidification is essential for implementing effective soil management strategies in tea-growing regions. In this study, a field study was conducted to investigate the effects of tea plantations on soil acidification and the associated acid-base buffering capacity (pHBC). We assessed acidification, pHBC, nutrient concentrations, and cation contents in the top 0-20 cm layer of soil across forty tea gardens of varying stand ages (0-5, 5-10, 10-20, and 20-40 years old) in Anji County, Zhejiang Province, China. The results revealed evident soil acidification due to tea plantation activities, with the lowest soil pH observed in tea gardens aged 10-20 and 20-40 years. Higher levels of soil organic matter (SOM), total nitrogen (TN), Olsen phosphorus (Olsen-P), available iron (Fe), and exchangeable hydrogen (H+) were notably recorded in 10-20 and 20-40 years old tea garden soils, suggesting an increased risk of soil acidification with prolonged tea cultivation. Furthermore, prolonged tea cultivation correlated with increased pHBC, which amplified with tea stand ages. The investigation of the relationship between soil pHBC and various parameters highlighted significant influences from soil pH, SOM, cation exchange capacity, TN, available potassium, Olsen-P, exchangeable acids (including H+ and aluminum), available Fe, and available zinc. Consequently, these findings underscore a substantial risk of soil acidification in tea gardens within the monitored region, with SOM and TN content being key driving factors influencing pHBC.
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Affiliation(s)
- Xin Wen
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, Zhejiang, China
- Zhejiang Ecological Civilization Academy, Anji, 313300, Zhejiang, China
| | - Donglei Wu
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, Zhejiang, China.
- Zhejiang Ecological Civilization Academy, Anji, 313300, Zhejiang, China.
| | - Dingjiang Chen
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, Zhejiang, China
- Zhejiang Ecological Civilization Academy, Anji, 313300, Zhejiang, China
| | - Peiran Xu
- Hubei Key Laboratory of Quality Control of Characteristic Fruits and Vegetables, Hubei Engineering University, Xiaogan, 432000, Hubei, China
| | - Tiantian Zhao
- Hubei Key Laboratory of Quality Control of Characteristic Fruits and Vegetables, Hubei Engineering University, Xiaogan, 432000, Hubei, China
| | - Siyu Chen
- Hubei Key Laboratory of Quality Control of Characteristic Fruits and Vegetables, Hubei Engineering University, Xiaogan, 432000, Hubei, China
| | - Zhenhao Zhu
- Hubei Key Laboratory of Quality Control of Characteristic Fruits and Vegetables, Hubei Engineering University, Xiaogan, 432000, Hubei, China
| | - Hang Zhong
- Hubei Key Laboratory of Quality Control of Characteristic Fruits and Vegetables, Hubei Engineering University, Xiaogan, 432000, Hubei, China
| | - Pan Chen
- Hubei Key Laboratory of Quality Control of Characteristic Fruits and Vegetables, Hubei Engineering University, Xiaogan, 432000, Hubei, China
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Ding F, He T, Qi X, Zhang H, An L, Xu S, Zhang X. Comammox Nitrospira dominates the nitrification in artificial coniferous forest soils of the Qilian Mountains. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 906:167653. [PMID: 37806577 DOI: 10.1016/j.scitotenv.2023.167653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 10/04/2023] [Accepted: 10/05/2023] [Indexed: 10/10/2023]
Abstract
Complete ammonia oxidizers (Comammox, CMX) are a newly discovered and important component of the nitrogen cycle. While CMX Nitrospira has been detected in various ecosystems, few studies so far have focused on the relative contribution and co-occurrence network of ammonia oxidizing archaea (AOA), bacteria (AOB), and CMX Nitrospira in artificial forest ecosystems (tree plantations). We evaluated the dynamics of composition, co-occurrence patterns and contribution of soil microbial nitrifiers to nitrification in soil of various tree species with different ages in the Qilian Mountains employing the space for time substitution approach, quantitative PCR and high-throughput sequencing technology. Generally, plantation development significantly reduced soil potential nitrification rates. Inhibition experiments and modular analysis showed that AOA played leading roles in nitrification of abandoned farmland and 17-year-old Hippophae rhamnoides, whereas CMX Nitrospira dominated in 36-year-old Picea crassifolia, 36-year-old Picea crassifolia and Larix gmelinii mixed plantation, and 50-year-old Picea crassifolia. The dominant AOA and CMX Nitrospira lineages in all samples were Group I.1b and Clade B, respectively. The assembly of nitrifier community was governed by stochastic processes, in which dispersal limitation made a significant contribution. The nitrifiers coexist in a mutualistic manner, albeit with possible functional redundancy, while the modular analysis revealed the aggregation pattern of the four modules in different artificial forests' soil. The Mantel test showed that modular formation is mainly affected by NH4+ and SOM. These results broaden our current understanding of the relation between CMX Nitrospira and canonical ammonia oxidizers in terrestrial ecosystems, and provide empirical evidence for not only niche differentiation, but also the relative contribution and co-occurrence patterns of nitrifying communities in an artificial forest ecosystem.
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Affiliation(s)
- Fan Ding
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou, Gansu 730000, China
| | - Tianjiao He
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou, Gansu 730000, China
| | - Xing'e Qi
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou, Gansu 730000, China
| | - Hui Zhang
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou, Gansu 730000, China
| | - Lizhe An
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou, Gansu 730000, China; The College of Forestry, Beijing Forestry University, Beijing 100083, China
| | - Shijian Xu
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou, Gansu 730000, China
| | - Xinfang Zhang
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou, Gansu 730000, China.
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Yu B, Zeng Q, Li J, Li J, Tan X, Gao X, Mao Z, Huang P, Wu S. Sediment depth-related variations of comammox Nitrospira: Evidence in the Three Gorges Reservoir, China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 905:167055. [PMID: 37709074 DOI: 10.1016/j.scitotenv.2023.167055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2023] [Revised: 09/04/2023] [Accepted: 09/11/2023] [Indexed: 09/16/2023]
Abstract
The recent discovery of comammox Nitrospira as complete ammonia-oxidizing microorganism has fundamentally revolutionized our understanding of nitrogen cycling in sediment environments. However, knowledge regarding their abundance, biodiversity, community structure, and interactions is predominantly limited to the upper layers (0-20 cm). To address this gap, we collected sediment samples along profiles ranging from 0 to 300 cm in depth at three locations within the middle segment of the Three Gorges Reservoir (TGR), China. Quantitative real-time PCR (qPCR) analyses suggested that comammox bacteria were not only ubiquitous in deep sediments but also more abundant than ammonia-oxidizing bacteria (AOB). Ammonia monooxygenases subunit A (amoA) gene amplicon sequencing illuminated that comammox bacteria were more sensitive to sedimental depth compared to AOB and ammonia-oxidizing archaea (AOA), as evidenced by a more significant decline in community diversity and similarity over distance along sediment vertical profiles. Notably, we discovered that the amoA gene abundance, alpha- and beta-diversity of comammox bacteria exerted an essential contribution to potential nitrification rates according to random forest model. Phylogenetic analysis indicted that most comammox bacteria within sediment samples belonged to clade A.2. Intriguingly, the average relative abundance of comammox clade A.2 displayed a noteworthy rise with sediment depth, whereas clade A.1 demonstrated a converse pattern, unveiling distinct ecological niche adaptations of these two clades along the sediment profile. Ecological network analysis further revealed closer interactions between comammox bacteria and canonical ammonia oxidizers in the superficial layer (0-40 cm), with the network structure gradually simplifying from superficial to deep sediment (200-300 cm). Overall, these findings broaden the current recognition of the geographic distribution and niche segregation of comammox bacteria at the fine scale of the sediments ecosystems and provide insights into sediment depth-related variations of their coexistence network patterns in large freshwater reservoirs.
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Affiliation(s)
- Baohong Yu
- Key Laboratory of Reservoir Aquatic Environment, Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, PR China; Chongqing School, University of Chinese Academy of Sciences, Chongqing 400714, PR China
| | - Quanchao Zeng
- Key Laboratory of Reservoir Aquatic Environment, Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, PR China.
| | - Jinlin Li
- Key Laboratory of Reservoir Aquatic Environment, Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, PR China
| | - Jun Li
- Key Laboratory of Reservoir Aquatic Environment, Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, PR China
| | - Xun Tan
- Key Laboratory of Reservoir Aquatic Environment, Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, PR China
| | - Xin Gao
- Key Laboratory of Reservoir Aquatic Environment, Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, PR China
| | - Ziqiang Mao
- Key Laboratory of Reservoir Aquatic Environment, Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, PR China
| | - Ping Huang
- Key Laboratory of Reservoir Aquatic Environment, Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, PR China
| | - Shengjun Wu
- Key Laboratory of Reservoir Aquatic Environment, Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, PR China.
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Liu Y, Cordero I, Bardgett RD. Defoliation and fertilisation differentially moderate root trait effects on soil abiotic and biotic properties. THE JOURNAL OF ECOLOGY 2023; 111:2733-2749. [PMID: 38516387 PMCID: PMC10952586 DOI: 10.1111/1365-2745.14215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Accepted: 09/15/2023] [Indexed: 03/23/2024]
Abstract
Root functional traits are known to influence soil properties that underpin ecosystem functioning. Yet few studies have explored how root traits simultaneously influence physical, chemical, and biological properties of soil, or how these responses are modified by common grassland perturbations that shape roots, such as defoliation and fertilisation.Here, we explored how root traits of a wide range of grassland plant species with contrasting resource acquisition strategies (i.e. conservative vs. exploitative strategy plant species) respond to defoliation and fertilisation individually and in combination, and examined cascading impacts on a range of soil abiotic and biotic properties that underpin ecosystem functioning.We found that the amplitude of the response of root traits to defoliation and fertilisation varied among plant species, in most cases independently of plant resource acquisition strategies. However, the direction of the root trait responses (increase or decrease) to perturbations was consistent across all plant species, with defoliation and fertilisation exerting opposing effects on root traits. Specific root length increased relative to non-perturbed control in response to defoliation, while root biomass, root mass density, and root length density decreased. Fertilisation induced the opposite responses. We also found that both defoliation and fertilisation individually enhanced the role of root traits in regulating soil biotic and abiotic properties, especially soil aggregate stability. Synthesis: Our results indicate that defoliation and fertilisation, two common grassland perturbations, have contrasting impacts on root traits of grassland plant species, with direct and indirect short-term consequences for a wide range of soil abiotic and biotic properties that underpin ecosystem functioning.
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Affiliation(s)
- Yan Liu
- Department of Earth and Environmental SciencesThe University of ManchesterManchesterUK
| | - Irene Cordero
- Department of Earth and Environmental SciencesThe University of ManchesterManchesterUK
- Department of Community EcologySwiss Federal Institute for Forest, Snow and Landscape Research WSLBirmensdorfSwitzerland
| | - Richard D. Bardgett
- Department of Earth and Environmental SciencesThe University of ManchesterManchesterUK
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Jiang Y, Yang X, Ni K, Ma L, Shi Y, Wang Y, Cai Y, Ma Q, Ruan J. Nitrogen addition reduces phosphorus availability and induces a shift in soil phosphorus cycling microbial community in a tea (Camellia sinensis L.) plantation. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 342:118207. [PMID: 37263035 DOI: 10.1016/j.jenvman.2023.118207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 04/21/2023] [Accepted: 05/17/2023] [Indexed: 06/03/2023]
Abstract
Nitrogen (N) and phosphorus (P) are two important nutrient elements that limit the growth of plants and microorganisms. The effect of the N supply on soil P cycling and its mechanism remain poorly known. Here, we characterized the effects of different N application rates on soil P availability, the abundances of P-cycling functional genes, and microbial communities involved in P-cycling following the application of N for 13 years in a tea plantation. Soil available P (AP) decreased significantly under N application. The opposite pattern was observed for the activity of soil phosphatases including alkaline (ALP) and acid phosphatase (ACP). Furthermore, N addition increased the abundance of ppa but decreased the abundance of phoD in soil. Both ppa- and phoD-harboring communities varied with N application levels. Redundancy analysis (RDA) showed that soil pH was a key variable modulating ppa-harboring and phoD-harboring microbial communities. Partial least squares path modeling (PLS-PM) revealed that long-term N application indirectly reduced soil P availability by altering the abundances of phoD-harboring biomarker taxa. Overall, our findings indicated that N-induced reductions in AP increased microbial competition for P by selecting microbes with P uptake and starvation response genes or those with phosphatases in tea plantation system. This suggests that tea plantations should be periodically supplemented with P under N application, especially under high N application levels.
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Affiliation(s)
- Yanyan Jiang
- Tea Research Institute, Chinese Academy of Agriculture Sciences, Key Laboratory of Biology, Genetics and Breeding of Special Economic Animals and Plants, Ministry of Agriculture and Rural Affairs, Hangzhou, 310008, China; College of Food Science, Southwest University, Chongqing, 400715, China; Tea Research Institute, Guizhou Academy of Agricultural Sciences, Guiyang, 550006, China
| | - Xiangde Yang
- Tea Research Institute, Chinese Academy of Agriculture Sciences, Key Laboratory of Biology, Genetics and Breeding of Special Economic Animals and Plants, Ministry of Agriculture and Rural Affairs, Hangzhou, 310008, China.
| | - Kang Ni
- Tea Research Institute, Chinese Academy of Agriculture Sciences, Key Laboratory of Biology, Genetics and Breeding of Special Economic Animals and Plants, Ministry of Agriculture and Rural Affairs, Hangzhou, 310008, China
| | - Lifeng Ma
- Tea Research Institute, Chinese Academy of Agriculture Sciences, Key Laboratory of Biology, Genetics and Breeding of Special Economic Animals and Plants, Ministry of Agriculture and Rural Affairs, Hangzhou, 310008, China; Xihu National Agricultural Experimental Station for Soil Quality, Hangzhou, 310008, China
| | - Yuanzhi Shi
- Tea Research Institute, Chinese Academy of Agriculture Sciences, Key Laboratory of Biology, Genetics and Breeding of Special Economic Animals and Plants, Ministry of Agriculture and Rural Affairs, Hangzhou, 310008, China
| | - Yu Wang
- Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, China
| | - Yanjiang Cai
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, 311300, China
| | - Qingxu Ma
- Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Jianyun Ruan
- Tea Research Institute, Chinese Academy of Agriculture Sciences, Key Laboratory of Biology, Genetics and Breeding of Special Economic Animals and Plants, Ministry of Agriculture and Rural Affairs, Hangzhou, 310008, China.
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Bi R, Xu X, Zhan L, Chen A, Zhang Q, Xiong Z. Proper organic substitution attenuated both N 2O and NO emissions derived from AOB in vegetable soils by enhancing the proportion of Nitrosomonas. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 866:161231. [PMID: 36586678 DOI: 10.1016/j.scitotenv.2022.161231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 12/07/2022] [Accepted: 12/23/2022] [Indexed: 06/17/2023]
Abstract
The ammonia oxidation process driven by microorganisms is an essential source of nitrous oxide (N2O) and nitric oxide (NO) emissions. However, few evaluations have been performed on the changes in the community structure and abundance of soil ammonia-oxidizing bacteria (AOB) and ammonia-oxidizing archaea (AOA) under substituting portion of chemical fertilizers with organic manure (organic substitution) and their relative contribution to the ammonia oxidation process. Here, five long-term fertilization strategies were applied in field (SN: synthetic fertilizer application; OM: organic manure; M1N1: substituting 50 % of chemical N fertilizer with organic manure; M1N4: substituting 20 % of chemical N fertilizer with organic manure; and CK: no fertilizer). We investigated the response characteristics of AOB and AOA community structures by selective inhibitor shaking assays and high-throughput sequencing and further explained their relative contribution to the ammonia oxidation process during three consecutive years of vegetable production. Compared to SN and M1N4, the potential of ammonia oxidation (PAO) was significantly reduced by 26.4 % and 22.3 % in OM and 9.5 % and 4.4 % in M1N1, resulting in N2O reductions of 38.9 % and 30.8 % (OM) and 31.2 % and 21.1 % (M1N1), respectively, and NO reductions of 45.0 % and 34.1 % (OM) and 40.1 % and 28.3 % (M1N1). RDA and correlation analyses showed that the soil organic carbon and ammonium nitrogen content increased while AOB gene abundance and diversity significantly decreased with increasing organic replacement ratio; however, the relative abundance of Nitrosomonas in AOB increased in OM and M1N1, which further demonstrates that AOB are the main driver in vegetable soils. Therefore, the appropriate proportion of organic substitution (OM and M1N1) could decrease the N2O and NO emissions contributed by AOB by affecting the soil physicochemical properties and AOB community structure.
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Affiliation(s)
- Ruiyu Bi
- Jiangsu Key Laboratory of Low Carbon Agriculture and GHGs Mitigation, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Xintong Xu
- Jiangsu Key Laboratory of Low Carbon Agriculture and GHGs Mitigation, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Liping Zhan
- Jiangsu Key Laboratory of Low Carbon Agriculture and GHGs Mitigation, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Anfeng Chen
- Jiangsu Key Laboratory of Low Carbon Agriculture and GHGs Mitigation, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Qianqian Zhang
- Jiangsu Key Laboratory of Low Carbon Agriculture and GHGs Mitigation, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China; State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, China
| | - Zhengqin Xiong
- Jiangsu Key Laboratory of Low Carbon Agriculture and GHGs Mitigation, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China.
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Yang X, Tang S, Ni K, Shi Y, Yi X, Ma Q, Cai Y, Ma L, Ruan J. Long-term nitrogen addition increases denitrification potential and functional gene abundance and changes denitrifying communities in acidic tea plantation soil. ENVIRONMENTAL RESEARCH 2023; 216:114679. [PMID: 36326541 DOI: 10.1016/j.envres.2022.114679] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Revised: 10/03/2022] [Accepted: 10/24/2022] [Indexed: 06/16/2023]
Abstract
The response of soil denitrification to nitrogen (N) addition in the acidic and perennial agriculture systems and its underlying mechanisms remain poorly understood. Therefore, a long-term (12 years) field trial was conducted to explore the effects of different N application rates on the soil denitrification potential (DP), functional genes, and denitrifying microbial communities of a tea plantation. The study found that N application to the soil significantly increased the DP and the absolute abundance of denitrifying genes, such as narG, nirK, norB, and nosZ. The diversity of denitrifying communities (genus level) significantly decreased with increasing N rates. Moreover, the denitrifying communities composition significantly differed among the soils with different rates of N fertilization. Further variance partitioning analysis (VPA) revealed that the soil (39.04%) and pruned litter (32.53%) properties largely contributed to the variation in the denitrifying communities. Dissolved organic carbon (DOC) and soil pH, pruned litter's total crude fiber (TCF) content and total polyphenols to total N ratio (TP/TN), and narG and nirK abundance significantly (VIP >1.0) influenced the DP. Finally, partial least squares path modeling (PLS-PM) revealed that N addition indirectly affected the DP by changing specific soil and pruned litter properties and functional gene abundance. Thus, the findings suggest that tea plantation is a major source of N2O emissions that significantly enhance under N application and provide theoretical support for N fertilizer management in an acidic tea plantation system.
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Affiliation(s)
- Xiangde Yang
- Key Laboratory of Tea Quality and Safety Control, Ministry of Agriculture and Rural Affairs, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310008, China
| | - Sheng Tang
- Ministry of Education Key Lab of Environmental Remediation and Ecosystem Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Kang Ni
- Key Laboratory of Tea Quality and Safety Control, Ministry of Agriculture and Rural Affairs, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310008, China
| | - Yuanzhi Shi
- Key Laboratory of Tea Quality and Safety Control, Ministry of Agriculture and Rural Affairs, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310008, China
| | - Xiaoyun Yi
- Key Laboratory of Tea Quality and Safety Control, Ministry of Agriculture and Rural Affairs, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310008, China
| | - Qingxu Ma
- Ministry of Education Key Lab of Environmental Remediation and Ecosystem Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Yanjiang Cai
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, China
| | - Lifeng Ma
- Key Laboratory of Tea Quality and Safety Control, Ministry of Agriculture and Rural Affairs, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310008, China.
| | - Jianyun Ruan
- Key Laboratory of Tea Quality and Safety Control, Ministry of Agriculture and Rural Affairs, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310008, China.
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Zhang H, Liao F, Li W, Li Y, Yang S, Zhang H, Yang Y, Shan Y. Rhizosphere soil nitrification ability controls nitrogen‐use efficiency in rice growth period. Food Energy Secur 2022. [DOI: 10.1002/fes3.429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Affiliation(s)
- Haipeng Zhang
- Innovation Center of Rice Cultivation Technology in Yangtze Valley, Ministry of Agriculture/Jiangsu Key Laboratory of Crop Cultivation and Physiology/Jiangsu Co‐Innovation Center for Modern Production Technology of Grain Crops, Research Institute of Rice Industrial Engineering Technology Yangzhou University Yangzhou China
| | - Fuxing Liao
- Innovation Center of Rice Cultivation Technology in Yangtze Valley, Ministry of Agriculture/Jiangsu Key Laboratory of Crop Cultivation and Physiology/Jiangsu Co‐Innovation Center for Modern Production Technology of Grain Crops, Research Institute of Rice Industrial Engineering Technology Yangzhou University Yangzhou China
| | - Wanyi Li
- Innovation Center of Rice Cultivation Technology in Yangtze Valley, Ministry of Agriculture/Jiangsu Key Laboratory of Crop Cultivation and Physiology/Jiangsu Co‐Innovation Center for Modern Production Technology of Grain Crops, Research Institute of Rice Industrial Engineering Technology Yangzhou University Yangzhou China
| | - Yunlong Li
- Innovation Center of Rice Cultivation Technology in Yangtze Valley, Ministry of Agriculture/Jiangsu Key Laboratory of Crop Cultivation and Physiology/Jiangsu Co‐Innovation Center for Modern Production Technology of Grain Crops, Research Institute of Rice Industrial Engineering Technology Yangzhou University Yangzhou China
| | - Shuo Yang
- Innovation Center of Rice Cultivation Technology in Yangtze Valley, Ministry of Agriculture/Jiangsu Key Laboratory of Crop Cultivation and Physiology/Jiangsu Co‐Innovation Center for Modern Production Technology of Grain Crops, Research Institute of Rice Industrial Engineering Technology Yangzhou University Yangzhou China
| | - Hongcheng Zhang
- Innovation Center of Rice Cultivation Technology in Yangtze Valley, Ministry of Agriculture/Jiangsu Key Laboratory of Crop Cultivation and Physiology/Jiangsu Co‐Innovation Center for Modern Production Technology of Grain Crops, Research Institute of Rice Industrial Engineering Technology Yangzhou University Yangzhou China
| | - Yanju Yang
- Innovation Center of Rice Cultivation Technology in Yangtze Valley, Ministry of Agriculture/Jiangsu Key Laboratory of Crop Cultivation and Physiology/Jiangsu Co‐Innovation Center for Modern Production Technology of Grain Crops, Research Institute of Rice Industrial Engineering Technology Yangzhou University Yangzhou China
| | - Yuhua Shan
- Innovation Center of Rice Cultivation Technology in Yangtze Valley, Ministry of Agriculture/Jiangsu Key Laboratory of Crop Cultivation and Physiology/Jiangsu Co‐Innovation Center for Modern Production Technology of Grain Crops, Research Institute of Rice Industrial Engineering Technology Yangzhou University Yangzhou China
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9
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Lu Y, Cong P, Kuang S, Tang L, Li Y, Dong J, Song W. Long-term excessive application of K 2SO 4 fertilizer alters bacterial community and functional pathway of tobacco-planting soil. FRONTIERS IN PLANT SCIENCE 2022; 13:1005303. [PMID: 36247599 PMCID: PMC9554487 DOI: 10.3389/fpls.2022.1005303] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Accepted: 09/05/2022] [Indexed: 05/31/2023]
Abstract
To improve tobacco leaf quality, excessive K2SO4 fertilizers were applied to soils in major tobacco-planting areas in China. However, the effects of K2SO4 application on soil microbial community and functions are still unclear. An eight-year field experiment with three kinds of K2SO4 amounts (low amount, K2O 82.57 kg hm-2, LK; moderate amount, K2O 165.07 kg hm-2, MK; high amount, K2O 247.58 kg hm-2, HK) was established to assess the effects of K2SO4 application on the chemical and bacterial characteristics of tobacco-planting soil using 16S rRNA gene and metagenomic sequencing approaches. Results showed that HK led to lower pH and higher nitrogen (N), potassium (K), sulfur(S) and organic matter contents of the soil than LK. The bacterial community composition of HK was significantly different from those of MK and LK, while these of MK and LK were similar. Compared to LK, HK increased the relative abundance of predicted copiotrophic groups (e.g. Burkholderiaceae, Rhodospirillaceae families and Ellin6067 genus) and potentially beneficial bacteria (e.g. Gemmatimonadetes phylum and Bacillus genus) associated with pathogens and heavy metal resistance, N fixation, dissolution of phosphorus and K. While some oligotrophic taxa (e.g. Acidobacteria phylum) related to carbon, N metabolism exhibited adverse responses to HK. Metagenomic analysis suggested that the improvement of pathways related to carbohydrate metabolism and genetic information processing by HK might be the self-protection mechanism of microorganisms against environmental stress. Besides, the redundancy analysis and variation partitioning analysis showed that soil pH, available K and S were the primary soil factors in shifting the bacterial community and KEGG pathways. This study provides a clear understanding of the responses of soil microbial communities and potential functions to excessive application of K2SO4 in tobacco-planting soil.
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Affiliation(s)
- Ya Lu
- Key Laboratory of Tobacco Biology and Processing, Ministry of Agriculture, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, China
| | - Ping Cong
- Key Laboratory of Tobacco Biology and Processing, Ministry of Agriculture, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, China
| | - Shuai Kuang
- Key Laboratory of Tobacco Biology and Processing, Ministry of Agriculture, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, China
| | - Lina Tang
- Tobacco Science Research Institute, Fujian Tobacco Monopoly Administration, Fuzhou, China
| | - Yuyi Li
- Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Jianxin Dong
- Key Laboratory of Tobacco Biology and Processing, Ministry of Agriculture, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, China
| | - Wenjing Song
- Key Laboratory of Tobacco Biology and Processing, Ministry of Agriculture, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, China
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Zhang Z, Yu Z, Zhang Y, Shi Y. Impacts of Fertilization Optimization on Soil Nitrogen Cycling and Wheat Nitrogen Utilization Under Water-Saving Irrigation. FRONTIERS IN PLANT SCIENCE 2022; 13:878424. [PMID: 35665172 PMCID: PMC9161168 DOI: 10.3389/fpls.2022.878424] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Accepted: 03/25/2022] [Indexed: 06/15/2023]
Abstract
Scholars have proposed the practice of split nitrogen fertilizer application (SNFA), which has proven to be an effective approach for enhancing nitrogen use efficiency. However, the combined effects of SNFA on wheat plant nitrogen use efficiency, ammonia (NH3) emission flux, as well as the rates of nitrification and denitrification in different ecosystems remain unclear. Meanwhile, few studies have sought to understand the effects of the split nitrogen fertilizer method under water-saving irrigation technology conditions on nitrogen loss. The current study assessed soil NH3 volatilization, nitrification, and denitrification intensities, as well as the abundance of nitrogen cycle-related functional genes following application of different treatments. Specifically, we applied a nitrogen rate of 240 kg⋅ha-1, and the following fertilizer ratios of the percent base to that of topdressing under water-saving irrigation: N1 (basal/dressing, 100/0%), N2 (basal/dressing, 70/30%), N3 (basal/dressing, 50/50%), N4 (basal/dressing, 30/70%), and N5 (basal/dressing, 0/100%). N3 treatment significantly reduced NH3 volatilization, nitrification, and denitrification intensities, primarily owing to the reduced reaction substrate concentration (NO3 - and NH4 +) and abundance of functional genes involved in the nitrogen cycle (amoA-AOB, nirK, and nirS) within the wheat-land soil. 15N tracer studies further demonstrated that N3 treatments significantly increased the grain nitrogen accumulation by 9.50-28.27% compared with that under other treatments. This increase was primarily due to an increase in the amount of nitrogen absorbed by wheat from soil and fertilizers, which was caused by an enhancement in total nitrogen uptake (7.2-21.81%). Overall, N3 treatment (basal/dressing, 50/50%) was found to effectively reduce nitrogen loss through NH3 volatilization, nitrification and denitrification while improving nitrogen uptake by wheat. Thus, its application will serve to further maximize the yield and provide a fertilization practice that will facilitate cleaner wheat production in the North China Plain.
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11
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Yang X, Leng Y, Zhou Z, Shang H, Ni K, Ma L, Yi X, Cai Y, Ji L, Ruan J, Shi Y. Ecological management model for the improvement of soil fertility through the regulation of rare microbial taxa in tea (Camellia sinensis L.) plantation soils. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 308:114595. [PMID: 35124311 DOI: 10.1016/j.jenvman.2022.114595] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 01/19/2022] [Accepted: 01/22/2022] [Indexed: 06/14/2023]
Abstract
Agricultural management is essential to enhance soil ecosystem service function through optimizing soil physical conditions and improving nutrient supply, which is predominantly regulated by soil microorganisms. Several studies have focused on soil biodiversity and function in tea plantation systems. However, the effects of different agriculture managements on soil fertility and microbes remain poorly characterized, especially for what concerns perennial agroecosystems. In this study, 40 soil samples were collected from 10 tea plantation sites in China to explore the effects of ecological and conventional managements on soil fertility, as well as on microbial diversity, community composition, and co-occurrence network. Compared with conventional management, ecological management was found to significantly enhance soil fertility, microbial diversity, and microbial network complexity. Additionally, a significant difference in community composition was clearly observed under the two agriculture managements, especially for rare microbial taxa, whose relative abundance significantly increased under ecological management. Random forest modeling revealed that rare taxa (e.g., Rokubacteria and Mortierellomycota), rather than dominant microbial taxa (e.g., Proteobacteria and Ascomycota), were key variables for predicting soil fertility. This indicates that rare taxa might play a fundamental role in biological processes. Overall, our results suggest that ecological management is more efficient than conventional management in regulating rare microbial taxa and maintaining a good soil fertility in tea plantation systems.
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Affiliation(s)
- Xiangde Yang
- Tea Research Institute, Chinese Academy of Agriculture Sciences, Key Laboratory of Tea Biology and Resource Utilization of Tea, Ministry of Agriculture, Hangzhou, 310008, China
| | - Yang Leng
- National Agricultural Technology Extension and Service Center, Ministry of Agriculture and Rural Affairs, PR China, Beijing, 100125, China
| | - Zeyu Zhou
- National Agricultural Technology Extension and Service Center, Ministry of Agriculture and Rural Affairs, PR China, Beijing, 100125, China
| | - Huaiguo Shang
- National Agricultural Technology Extension and Service Center, Ministry of Agriculture and Rural Affairs, PR China, Beijing, 100125, China
| | - Kang Ni
- Tea Research Institute, Chinese Academy of Agriculture Sciences, Key Laboratory of Tea Biology and Resource Utilization of Tea, Ministry of Agriculture, Hangzhou, 310008, China
| | - Lifeng Ma
- Tea Research Institute, Chinese Academy of Agriculture Sciences, Key Laboratory of Tea Biology and Resource Utilization of Tea, Ministry of Agriculture, Hangzhou, 310008, China; Xihu National Agricultural Experimental Station for Soil Quality, Hangzhou, 310008, China
| | - Xiaoyun Yi
- Tea Research Institute, Chinese Academy of Agriculture Sciences, Key Laboratory of Tea Biology and Resource Utilization of Tea, Ministry of Agriculture, Hangzhou, 310008, China
| | - Yanjiang Cai
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, 311300, China
| | - Lingfei Ji
- Jiangsu Provincial Key Lab for Organic Solid Waste Utilization, Nanjing Agricultural University, Nanjing, 210095, China
| | - Jianyun Ruan
- Tea Research Institute, Chinese Academy of Agriculture Sciences, Key Laboratory of Tea Biology and Resource Utilization of Tea, Ministry of Agriculture, Hangzhou, 310008, China.
| | - Yuanzhi Shi
- Tea Research Institute, Chinese Academy of Agriculture Sciences, Key Laboratory of Tea Biology and Resource Utilization of Tea, Ministry of Agriculture, Hangzhou, 310008, China.
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12
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Zhang H, Phillip FO, Wu L, Zhao F, Yu S, Yu K. Effects of Temperature and Nitrogen Application on Carbon and Nitrogen Accumulation and Bacterial Community Composition in Apple Rhizosphere Soil. FRONTIERS IN PLANT SCIENCE 2022; 13:859395. [PMID: 35444679 PMCID: PMC9014127 DOI: 10.3389/fpls.2022.859395] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 02/28/2022] [Indexed: 05/03/2023]
Abstract
Malus sieversii grows on the slopes of the Tianshan Mountains in Xinjiang where the difference in daily temperature is significant. In recent years, the rhizosphere soil health of Malus sieversii has been severely impacted by anthropogenic disturbance and pathogenic infestation. The soil nutrient content and soil microorganism diversity are the main components of soil health. Low temperature has negative effects on soil bacterial community structure by inhibiting the accumulation of carbon and nitrogen. However, the effects of temperature and nitrogen application on soil carbon and nitrogen accumulation and the bacterial community composition in the rhizosphere soil of Malus sieversii are unclear. We set two temperature levels, i.e., low temperature (L) and room temperature (R), combined with no nitrogen (N0) and nitrogen application (N1) to explore the response of plant carbon and nitrogen uptake, rhizosphere soil carbon and nitrogen accumulation and bacterial community composition to temperature and nitrogen fertilization. At the same temperature level, plant 13C abundance (P-Atom13C), plant 15N absolute abundance (P-Con15N), soil 15N abundance (S-Atom15N) and soil urease, protease and glutaminase activities were significantly higher under nitrogen application compared with the no-nitrogen application treatment. The bacterial community diversity and richness indices of the apple rhizosphere soil in the N1 treatment were higher than those in the N0 treatment. The relative abundances of Actinobacteria, Rhodopseudomonas, and Bradyrhizobium were higher in the LN1 treatment than in the LN0 treatment. Redundancy analysis (RDA) showed that plant 13C absolute abundance (P-Con13C) and plant 15N absolute abundance (P-Con15N) were the main factors affecting the soil bacterial community composition. In summary, Nitrogen application can alleviate the effects of low temperature stress on the soil bacterial community and is of benefit for the uptakes of carbon and nitrogen in Malus sieversii plants.
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Affiliation(s)
| | | | | | | | | | - Kun Yu
- The Key Laboratory of Characteristics of Fruit and Vegetable Cultivation and Utilization of Germplasm Resources of the Xinjiang Production and Construction Corps, Shihezi University, Xinjiang, China
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13
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Hou Q, Lin S, Ni Y, Yao L, Huang S, Zuo T, Wang J, Ni W. Assembly of functional microbial communities in paddy soil with long-term application of pig manure under rice-rape cropping system. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 305:114374. [PMID: 34953225 DOI: 10.1016/j.jenvman.2021.114374] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 12/08/2021] [Accepted: 12/20/2021] [Indexed: 06/14/2023]
Abstract
Organic farming is considered an efficient approach to improve soil fertility for sustainable agriculture. However, its soil micro-ecological effects and functions in intensive rice cropping systems are still obscure. Twelve soil samples were collected from a field experiment with four treatments such as M0 (no pig manure), M1 (1.6 t ha-1 pig manure), M2 (3.2 t ha-1 pig manure) and M3 (4.8 t ha-1 pig manure) after eight rice-oilseed rape rotation. Soil chemical property, enzyme activity and abundant/rare bacterial or fungal communities were analyzed to investigate the effect of conversion to organic farming with continuous pig manure application on soil microbiota. Stochastic processes controlled the assembly of abundant taxa, and deterministic processes dominated rare taxa. The composition and network construction of bacterial and fungal communities were significantly affected by pig manure, with changes in soil property and enzyme activity. Based on partial least squares path modeling (PLS-PM), pig manure application affected bacteria construction and enzyme activities by increasing soil carbon (C) and nitrogen (N). In summary, long-term pig manure application promotes specific microbial associations known to be involved in degrading complex organic compounds, and improving soil fertility such as soil enzyme activities. This research provides insight into understanding the processes behind changes in bacterial and fungal communities in paddy soil after conversion to organic farming.
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Affiliation(s)
- Qiong Hou
- College of Environmental and Resource Sciences, Zhejiang University, Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Hangzhou, 310058, PR China
| | - Sen Lin
- College of Environmental and Resource Sciences, Zhejiang University, Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Hangzhou, 310058, PR China
| | - Yuemin Ni
- Agricultural Experimental Station, Zhejiang University, Hangzhou, 310058, China
| | - Longren Yao
- College of Environmental and Resource Sciences, Zhejiang University, Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Hangzhou, 310058, PR China
| | - Shan Huang
- College of Environmental and Resource Sciences, Zhejiang University, Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Hangzhou, 310058, PR China
| | - Ting Zuo
- College of Environmental and Resource Sciences, Zhejiang University, Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Hangzhou, 310058, PR China
| | - Jian Wang
- College of Environmental and Resource Sciences, Zhejiang University, Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Hangzhou, 310058, PR China
| | - Wuzhong Ni
- College of Environmental and Resource Sciences, Zhejiang University, Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Hangzhou, 310058, PR China.
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Pardo-Díaz S, Romero-Perdomo F, Mendoza-Labrador J, Delgadillo-Duran D, Castro-Rincon E, Silva AMM, Rojas-Tapias DF, Cardoso EJBN, Estrada-Bonilla GA. Endophytic PGPB Improves Plant Growth and Quality, and Modulates the Bacterial Community of an Intercropping System. FRONTIERS IN SUSTAINABLE FOOD SYSTEMS 2021. [DOI: 10.3389/fsufs.2021.715270] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
The intercropping of ryegrass and red clover constitutes a sustainable alternative to mitigate the adverse effects of intensive livestock production on grassland degradation by increasing forage yield and quality. The implementation of biofertilization technologies has been widely used to improve soil nutritional properties, and therefore has the potential to ensure the success of this multicrop system. To determine the impact of bioaugmentation on forage growth and quality, as well as the associate changes in the rhizosphere bacterial community, we evaluated the inoculation with two plant growth-promoting bacteria (PGPB) under reduced nitrogen usage. Overall, Herbaspirillum sp. AP21 had a larger effect than Azospirillum brasilense D7 on plant growth. Inoculation with Herbaspirillum sp. AP21 together with 50% of the required nitrogen rate increased shoot dry weight, crude protein, and shoot nitrogen content, and decreased the amount of neutral detergent fiber. PGPB inoculation changed the rhizosphere bacterial community structure, which associated with forage growth and quality. We conclude that PGPB inoculation has the potential to improve the growth of the ryegrass-red clover system, decreasing the requirements for nitrogen fertilization.
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15
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Li Y, Liang Y, Zhang H, Liu Y, Zhu J, Xu J, Zhou Z, Ma J, Liu K, Yu F. Variation, distribution, and diversity of canonical ammonia-oxidizing microorganisms and complete-nitrifying bacteria in highly contaminated ecological restoration regions in the Siding mine area. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 217:112274. [PMID: 33930771 DOI: 10.1016/j.ecoenv.2021.112274] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 04/12/2021] [Accepted: 04/18/2021] [Indexed: 06/12/2023]
Abstract
Canonical ammonia-oxidizing archaea (AOA), ammonia-oxidizing bacteria (AOB) and complete-nitrifying bacteria (comammox) exist in a variety of ecosystems. However, little is known about AOA, AOB and comammox or their contributions to nitrification in the soils of heavily degraded and acidic mine regions. In the present study, the activity, richness, diversity and distribution patterns of AOA, AOB and comammox in the Siding mine area were investigated. Nemerow's multifactor pollution index (PN) values indicated that the soil in all three areas in the Siding mine area was highly contaminated by Cd, Pb, Zn, Mn and Cu. The AOA, AOB and comammox amoA gene copy numbers exhibited significant positive correlations with Pb and Zn levels and PN values, which indicated that the populations of AOA, AOB and comammox underwent adaptation and reproduction in response to pollution from multiple metals in the Siding mine area. Among them, the abundance of AOA was the highest, and AOA may survive better than AOB and comammox under such severely pollution-stressed and ammonia-limited conditions. The phyla Thaumarchaeota and Crenarchaeota may play vital roles in the soil ammonia oxidation process. Unlike AOA, AOB may use soil available phosphorus to help them compete for NH3 and other limiting nutrients with AOA and heterotrophs. Moreover, soil organic matter was the main factor influencing the species diversity of AOB, the β-diversity of AOB and comammox, and the community composition of AOA, AOB and comammox. Our research will help to explain the role and importance of AOA, AOB and comammox in the different ecological restoration regions in the Siding mine area.
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Affiliation(s)
- Yi Li
- Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education, China; College of Environment and Resources, Guangxi Normal University, 541004 Guilin, China; Innovation Institute of Sustainable Development, Guangxi Normal University, 541004 Guilin, China
| | - Ying Liang
- College of Environment and Resources, Guangxi Normal University, 541004 Guilin, China
| | - Haichun Zhang
- College of Life Science, Guangxi Normal University, 541004 Guilin, China
| | - Yuan Liu
- College of Environment and Resources, Guangxi Normal University, 541004 Guilin, China
| | - Jing Zhu
- Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education, China; College of Environment and Resources, Guangxi Normal University, 541004 Guilin, China
| | - Jie Xu
- College of Life Science, Guangxi Normal University, 541004 Guilin, China
| | - Zhenming Zhou
- Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education, China; College of Environment and Resources, Guangxi Normal University, 541004 Guilin, China
| | - Jiangming Ma
- Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education, China; College of Life Science, Guangxi Normal University, 541004 Guilin, China; Innovation Institute of Sustainable Development, Guangxi Normal University, 541004 Guilin, China
| | - Kehui Liu
- Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education, China; College of Life Science, Guangxi Normal University, 541004 Guilin, China; Innovation Institute of Sustainable Development, Guangxi Normal University, 541004 Guilin, China.
| | - Fangming Yu
- Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education, China; College of Environment and Resources, Guangxi Normal University, 541004 Guilin, China; Innovation Institute of Sustainable Development, Guangxi Normal University, 541004 Guilin, China.
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16
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Wang W, Han L, Zhang X, Wei K. Plastic film mulching affects N 2O emission and ammonia oxidizers in drip irrigated potato soil in northwest China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 754:142113. [PMID: 32920397 DOI: 10.1016/j.scitotenv.2020.142113] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2020] [Revised: 08/25/2020] [Accepted: 08/29/2020] [Indexed: 06/11/2023]
Abstract
In soil, ammonia-oxidizing bacteria (AOB) and ammonia-oxidizing archaea (AOA) are regarded as key factors mediating nitrous oxide (N2O) production and emission. However, there are scarce reports about the effect of film mulching on ammonia oxidizers, and the biological nitrification process of N2O emission is unclear. This study was based on potato field experiments under different mulching films, including polyethylene mulching film (PM), transparent degradable mulching film (TDM), black degradable mulching film (BDM), and bare land (CK). AOB and AOA abundances were estimated using real-time PCR, and their diversity and community structure were measured using high-throughput sequencing. Result revealed that the total N2O emission from CK was 12.32%-41.03% higher than that from film mulching soil. Under film mulching, according to total N2O emission from soil and N2O concentration in soil treatments were ordered as PM > BDM > TDM, and N2O production was closely correlated with copy numbers of the amoA gene. BDM significantly increased the number of amoA-AOB gene copies (P < 0.01), and PM significantly increased the those of amoA-AOA (P < 0.01). BDM and TDM increased AOB operational taxonomic units (OTUs), Chao1, Simpson, and Shannon indices, while PM increased the AOA OTUs and Chao1 index. Variations in AOA abundance and diversity were closely related to soil mineral N and temperature changes induced by polyethylene film mulching (P < 0.05), whereas AOB showed no significant association with soil properties. Meanwhile, we did not find a distinct treatment effect on AOB community structure. Our findings indicate that (i) degradable film mulching increased AOB abundance and diversity and N2O concentration, but obviously reduced N2O emissions, and (ii) AOA were more sensitive than AOB to polyethylene mulching film.
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Affiliation(s)
- Wen Wang
- College of Life Science, Yulin University, Chongwen Road No.4, Yulin, 719000, Shaanxi, China.
| | - Lu Han
- College of Life Science, Yulin University, Chongwen Road No.4, Yulin, 719000, Shaanxi, China
| | - Xiong Zhang
- College of Life Science, Yulin University, Chongwen Road No.4, Yulin, 719000, Shaanxi, China
| | - Ku Wei
- College of Life Science, Yulin University, Chongwen Road No.4, Yulin, 719000, Shaanxi, China
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17
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Zhang Y, Ye X, Zhang X, Huang W, Zhao H. Natural Variations and Dynamic Changes of Nitrogen Indices throughout Growing Seasons for Twenty Tea Plant ( Camellia sinensis) Varieties. PLANTS 2020; 9:plants9101333. [PMID: 33050287 PMCID: PMC7599643 DOI: 10.3390/plants9101333] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Revised: 10/07/2020] [Accepted: 10/07/2020] [Indexed: 11/30/2022]
Abstract
Tea (Camellia sinensis (L.) O. Kuntze) leaves are harvested multiple times annually accompanied by a large amount of nitrogen (N) removed. Therefore, tea plantations are characterized by high requirements of N. This study aimed to assess the variations of N-level, apparent N remobilization efficiency (ANRE), and N utilization efficiency (NUtE) and their dynamic changes during growing seasons for twenty tea varieties. The N-level was highest in the one bud with two leaves as the youngest category, followed by mature leaves attached to green-red stems, and then by aging leaves attached to grey stems. The dynamic N-level presented different profiles of “S”-, “U”-, and “S-like”-shape in the three categories of leaves during the growing seasons. Here, specifically defined ANRE indicated N fluxes in a specific category of leaves, showing that sources and sinks alternate during the period of two consecutive rounds of growth. The dynamic of averaged NUtE followed an “S”-shape. The results revealed annual rhythms and physiological characters related with N indices, which were variety dependent and closely related with the amount of N requirements at proper time. An optimized NUtE is a complex character determined by the combination of tea plantation management and breeding practices to achieve sustainable development with economic benefit.
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Affiliation(s)
- Yange Zhang
- Key Laboratory of Horticultural Plant Biology of Ministry of Education, Huazhong Agricultural University. Wuhan 430070, China; (Y.Z.); (X.Z.); (W.H.)
- College of Horticulture & Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China
| | - Xiangsheng Ye
- College of Resources & Environment, Huazhong Agricultural University, Wuhan 430070, China;
| | - Xinwan Zhang
- Key Laboratory of Horticultural Plant Biology of Ministry of Education, Huazhong Agricultural University. Wuhan 430070, China; (Y.Z.); (X.Z.); (W.H.)
- College of Horticulture & Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China
| | - Wei Huang
- Key Laboratory of Horticultural Plant Biology of Ministry of Education, Huazhong Agricultural University. Wuhan 430070, China; (Y.Z.); (X.Z.); (W.H.)
- College of Horticulture & Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China
| | - Hua Zhao
- Key Laboratory of Horticultural Plant Biology of Ministry of Education, Huazhong Agricultural University. Wuhan 430070, China; (Y.Z.); (X.Z.); (W.H.)
- College of Horticulture & Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China
- Correspondence:
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18
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Zhang X, Liu H, Pilon-Smits E, Huang W, Wang P, Wang M, Guo F, Wang Y, Li R, Zhao H, Ni D. Transcriptome-Wide Analysis of Nitrogen-Regulated Genes in Tea Plant ( Camellia sinensis L. O. Kuntze) and Characterization of Amino Acid Transporter CsCAT9.1. PLANTS 2020; 9:plants9091218. [PMID: 32957496 PMCID: PMC7569990 DOI: 10.3390/plants9091218] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 09/14/2020] [Accepted: 09/15/2020] [Indexed: 02/06/2023]
Abstract
The vigor of tea plants (Camellia sinensis) and tea quality are strongly influenced by the abundance and forms of nitrogen, principally NO3−, NH4+, and amino acids. Mechanisms to access different nitrogen sources and the regulatory cues remain largely elusive in tea plants. A transcriptome analysis was performed to categorize differentially expressed genes (DEGs) in roots and young leaves during the early response to four nitrogen treatments. Relative to the continuously nitrogen-replete control, the three nitrogen-deprived and resupplied treatments shared 237 DEGs in the shoots and 21 DEGs in the root. Gene-ontology characterization revealed that transcripts encoding genes predicted to participate in nitrogen uptake, assimilation, and translocation were among the most differentially expressed after exposure to the different nitrogen regimes. Because of its high transcript level regardless of nitrogen condition, a putative amino acid transporter, TEA020444/CsCAT9.1, was further characterized in Arabidopsis and found to mediate the acquisition of a broad spectrum of amino acids, suggesting a role in amino acid uptake, transport, and deposition in sinks as an internal reservoir. Our results enhance our understanding of nitrogen-regulated transcript level patterns in tea plants and pinpoint candidate genes that function in nitrogen transport and metabolism, allowing tea plants to adjust to variable nitrogen environments.
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Affiliation(s)
- Xinwan Zhang
- Key Laboratory of Horticultural Plant Biology of Ministry of Education, Huazhong Agricultural University, Wuhan 430070, China; (X.Z.); (H.L.); (W.H.); (P.W.); (M.W.); (F.G.); (Y.W.); (D.N.)
- College of Horticulture & Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China
| | - Hongling Liu
- Key Laboratory of Horticultural Plant Biology of Ministry of Education, Huazhong Agricultural University, Wuhan 430070, China; (X.Z.); (H.L.); (W.H.); (P.W.); (M.W.); (F.G.); (Y.W.); (D.N.)
- College of Horticulture & Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China
| | | | - Wei Huang
- Key Laboratory of Horticultural Plant Biology of Ministry of Education, Huazhong Agricultural University, Wuhan 430070, China; (X.Z.); (H.L.); (W.H.); (P.W.); (M.W.); (F.G.); (Y.W.); (D.N.)
- College of Horticulture & Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China
| | - Pu Wang
- Key Laboratory of Horticultural Plant Biology of Ministry of Education, Huazhong Agricultural University, Wuhan 430070, China; (X.Z.); (H.L.); (W.H.); (P.W.); (M.W.); (F.G.); (Y.W.); (D.N.)
- College of Horticulture & Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China
| | - Mingle Wang
- Key Laboratory of Horticultural Plant Biology of Ministry of Education, Huazhong Agricultural University, Wuhan 430070, China; (X.Z.); (H.L.); (W.H.); (P.W.); (M.W.); (F.G.); (Y.W.); (D.N.)
- College of Horticulture & Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China
| | - Fei Guo
- Key Laboratory of Horticultural Plant Biology of Ministry of Education, Huazhong Agricultural University, Wuhan 430070, China; (X.Z.); (H.L.); (W.H.); (P.W.); (M.W.); (F.G.); (Y.W.); (D.N.)
- College of Horticulture & Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China
| | - Yu Wang
- Key Laboratory of Horticultural Plant Biology of Ministry of Education, Huazhong Agricultural University, Wuhan 430070, China; (X.Z.); (H.L.); (W.H.); (P.W.); (M.W.); (F.G.); (Y.W.); (D.N.)
- College of Horticulture & Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China
| | - Ruiyuan Li
- Key Laboratory of information and computing science Guizhou Province, Guizhou Normal University, Guiyang 550001, China;
| | - Hua Zhao
- Key Laboratory of Horticultural Plant Biology of Ministry of Education, Huazhong Agricultural University, Wuhan 430070, China; (X.Z.); (H.L.); (W.H.); (P.W.); (M.W.); (F.G.); (Y.W.); (D.N.)
- College of Horticulture & Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China
- Correspondence:
| | - Dejiang Ni
- Key Laboratory of Horticultural Plant Biology of Ministry of Education, Huazhong Agricultural University, Wuhan 430070, China; (X.Z.); (H.L.); (W.H.); (P.W.); (M.W.); (F.G.); (Y.W.); (D.N.)
- College of Horticulture & Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China
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