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Liu B, Huang L, Jiang X, Liu Y, Huang G, Yang C, Liang Y, Cai J, Zhu G, Kong Q. Quantitative evaluation and mechanism analysis of soil chemical factors affecting rice yield in saline-sodic paddy fields. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 929:172584. [PMID: 38641101 DOI: 10.1016/j.scitotenv.2024.172584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 04/16/2024] [Accepted: 04/17/2024] [Indexed: 04/21/2024]
Abstract
Salinization and sodication have become an important abiotic stress affecting soil fertility and crop production in the western of the Songnen Plain in Northeast China. And rice cultivation is considered as one of the most effective biological methods to reclaim saline-sodic soils and ensure food security. However, it is difficult to select the optimal measures to regulate rice growth for increasing yield, because the independent and comprehensive influences of the soil limitation factors on rice yield are not quantitatively evaluated. In this study, the hierarchical partitioning (HP) and the structural equation model (SEM) were used to quantitatively evaluate the influences of salinization parameters, salt ion concentrations and soil nutrients to identify the dominant limitation factors and obstacle mechanism for rice yield. The results showed that soil pH was the key index in salinization parameters, [CO32- + HCO3-] was the key index in salt ion concentrations and available nitrogen (AN) was the key index in soil nutrients to impact rice yield, which independent influences reached 53.7 %, 45.4 % (negative) and 53.2 % (positive), respectively. Soil pH was determined by [CO32- + HCO3-], and the negative effect of alkali stress on rice yield mainly caused by [CO32- + HCO3-] was greater than that of salt stress mainly caused by [Na+] in saline-sodic paddy fields. Among the soil chemical factors, soil pH and AN were the most important explanatory variables of rice yield in saline-sodic paddy fields, which standardized total effects were - 0.32 and 0.40, respectively. Furthermore, the AN showed a more significant negative correlation with soil pH and a higher yield-increasing potential in severe saline-sodic soils (9 ≤ pH < 10) than that in moderate saline-sodic soils (8 ≤ pH < 9). Therefore, decreasing [CO32- + HCO3-] and increasing the content of AN are key to improve rice yield in saline-sodic paddy fields.
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Affiliation(s)
- Baishun Liu
- State Key Laboratory of Black Soils Conservation and Utilization, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences (CAS), 4888 Shengbei Street, Changchun 130102, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Lihua Huang
- State Key Laboratory of Black Soils Conservation and Utilization, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences (CAS), 4888 Shengbei Street, Changchun 130102, China; Jilin Da'an National Field Observation and Research Station of Agroecosystem, Da'an, Jilin 131317, China.
| | - Xiaotong Jiang
- State Key Laboratory of Black Soils Conservation and Utilization, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences (CAS), 4888 Shengbei Street, Changchun 130102, China
| | - Ying Liu
- School of Management Science and Information Engineering, Jilin University of Finance and Economics, 3699 Jingyue Street, Changchun 130117, China
| | - Guangzhi Huang
- State Key Laboratory of Black Soils Conservation and Utilization, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences (CAS), 4888 Shengbei Street, Changchun 130102, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Can Yang
- State Key Laboratory of Black Soils Conservation and Utilization, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences (CAS), 4888 Shengbei Street, Changchun 130102, China
| | - Yanping Liang
- State Key Laboratory of Black Soils Conservation and Utilization, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences (CAS), 4888 Shengbei Street, Changchun 130102, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jinghui Cai
- State Key Laboratory of Black Soils Conservation and Utilization, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences (CAS), 4888 Shengbei Street, Changchun 130102, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Ge Zhu
- State Key Laboratory of Black Soils Conservation and Utilization, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences (CAS), 4888 Shengbei Street, Changchun 130102, China
| | - Qianqian Kong
- State Key Laboratory of Black Soils Conservation and Utilization, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences (CAS), 4888 Shengbei Street, Changchun 130102, China
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You X, Wang S, Du L, Chen Y, Wang T, Bo X. Metagenomics reveals the variations in functional metabolism associated with greenhouse gas emissions during legume-vegetable rotation process. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 275:116268. [PMID: 38569319 DOI: 10.1016/j.ecoenv.2024.116268] [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: 08/21/2023] [Revised: 03/21/2024] [Accepted: 03/26/2024] [Indexed: 04/05/2024]
Abstract
Legume-based rotation is commonly recognized for its mitigation efficiency of greenhouse gas (GHG) emissions. However, variations in GHG emission-associated metabolic functions during the legume-vegetable rotation process remain largely uncharacterized. Accordingly, a soybean-radish rotation field experiment was designed to clarify the responses of microbial communities and their GHG emission-associated functional metabolism through metagenomics. The results showed that the contents of soil organic carbon and total phosphorus significantly decreased during the soybean-radish process (P < 0.05), while soil total potassium content and bacterial richness and diversity significantly increased (P < 0.05). Moreover, the predominant bacterial phyla varied, with a decrease in the relative abundance of Proteobacteria and an increase in the relative abundance of Acidobacteria, Gemmatimonadetes, and Chloroflexi. Metagenomics clarified that bacterial carbohydrate metabolism substantially increased during the rotation process, whereas formaldehyde assimilation, methanogenesis, nitrification, and dissimilatory nitrate reduction decreased (P < 0.05). Specifically, the expression of phosphate acetyltransferase (functional methanogenesis gene, pta) and nitrate reductase gamma subunit (functional dissimilatory nitrate reduction gene, narI) was inhibited, indicating of low methane production and nitrogen metabolism. Additionally, the partial least squares path model revealed that the Shannon diversity index was negatively correlated with methane and nitrogen metabolism (P < 0.01), further demonstrating that the response of the soil bacterial microbiome responses are closely linked with GHG-associated metabolism during the soybean-radish rotation process. Collectively, our findings shed light on the responses of soil microbial communities to functional metabolism associated with GHG emissions and provide important insights to mitigate GHG emissions during the rotational cropping of legumes and vegetables.
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Affiliation(s)
- Xinxin You
- Institute of Eco-environmental Sciences, Wenzhou Academy of Agricultural Sciences, Wenzhou 325006, PR China; Southern Zhejiang Key Laboratory of Crop Breeding, Wenzhou Academy of Agricultural Sciences, Wenzhou 325006, PR China
| | - Sheng Wang
- Institute of Eco-environmental Sciences, Wenzhou Academy of Agricultural Sciences, Wenzhou 325006, PR China.
| | - Linna Du
- College of Advanced Materials Engineering, Jiaxing Nanhu University, Jiaxing 314001, PR China.
| | - Yurong Chen
- Institute of Eco-environmental Sciences, Wenzhou Academy of Agricultural Sciences, Wenzhou 325006, PR China
| | - Ting Wang
- Institute of Eco-environmental Sciences, Wenzhou Academy of Agricultural Sciences, Wenzhou 325006, PR China
| | - Xiaoxu Bo
- Institute of Eco-environmental Sciences, Wenzhou Academy of Agricultural Sciences, Wenzhou 325006, PR China
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Zhu F, Cheng H, Guo J, Bai S, Liu Z, Huang C, Shen J, Wang K, Yang C, Guan Q. Vegetative cell wall protein OsGP1 regulates cell wall mediated soda saline-alkali stress in rice. PeerJ 2024; 12:e16790. [PMID: 38436004 PMCID: PMC10908258 DOI: 10.7717/peerj.16790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 12/21/2023] [Indexed: 03/05/2024] Open
Abstract
Plant growth and development are inhibited by the high levels of ions and pH due to soda saline-alkali soil, and the cell wall serves as a crucial barrier against external stresses in plant cells. Proteins in the cell wall play important roles in plant cell growth, morphogenesis, pathogen infection and environmental response. In the current study, the full-length coding sequence of the vegetative cell wall protein gene OsGP1 was characterized from Lj11 (Oryza sativa longjing11), it contained 660 bp nucleotides encoding 219 amino acids. Protein-protein interaction network analysis revealed possible interaction between CESA1, TUBB8, and OsJ_01535 proteins, which are related to plant growth and cell wall synthesis. OsGP1 was found to be localized in the cell membrane and cell wall. Furthermore, overexpression of OsGP1 leads to increase in plant height and fresh weight, showing enhanced resistance to saline-alkali stress. The ROS (reactive oxygen species) scavengers were regulated by OsGP1 protein, peroxidase and superoxide dismutase activities were significantly higher, while malondialdehyde was lower in the overexpression line under stress. These results suggest that OsGP1 improves saline-alkali stress tolerance of rice possibly through cell wall-mediated intracellular environmental homeostasis.
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Affiliation(s)
- Fengjin Zhu
- Key Laboratory of Saline-Alkali Vegetation Ecology Restoration, Ministry of Education, College of Life Sciences, Northeast Forestry University, Harbin, Heilongjiang Province, China
| | - Huihui Cheng
- Key Laboratory of Saline-Alkali Vegetation Ecology Restoration, Ministry of Education, College of Life Sciences, Northeast Forestry University, Harbin, Heilongjiang Province, China
| | - Jianan Guo
- Key Laboratory of Saline-Alkali Vegetation Ecology Restoration, Ministry of Education, College of Life Sciences, Northeast Forestry University, Harbin, Heilongjiang Province, China
| | - Shuomeng Bai
- Aulin College, Northeast Forestry University, Harbin, Heilongjiang Province, China
| | - Ziang Liu
- College of Forestry, Northeast Forestry University, Harbin, Heilongjiang Province, China
| | - Chunxi Huang
- College of Forestry, Northeast Forestry University, Harbin, Heilongjiang Province, China
| | - Jiayi Shen
- College of Forestry, Northeast Forestry University, Harbin, Heilongjiang Province, China
| | - Kai Wang
- College of Forestry, Northeast Forestry University, Harbin, Heilongjiang Province, China
| | - Chengjun Yang
- College of Forestry, Northeast Forestry University, Harbin, Heilongjiang Province, China
| | - Qingjie Guan
- Key Laboratory of Saline-Alkali Vegetation Ecology Restoration, Ministry of Education, College of Life Sciences, Northeast Forestry University, Harbin, Heilongjiang Province, China
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Yang X, Wan Z, Xiao J, Li F, Zhang F, Zhang Z. Evaluation of niche, diversity, and risks of microplastics in farmland soils of different rocky desertification areas. JOURNAL OF HAZARDOUS MATERIALS 2024; 466:133603. [PMID: 38280320 DOI: 10.1016/j.jhazmat.2024.133603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 01/18/2024] [Accepted: 01/21/2024] [Indexed: 01/29/2024]
Abstract
The occurrence, sources, effects, and risks of microplastics (MPs) in farmland soils have attracted considerable attention. However, the pollution and ecological characteristics of MPs in farmland soils at different levels of rocky desertification remain unclear. We collected and analyzed farmland soil samples from rocky desertification areas in Guizhou, China, ranging from no to heavy risks. We explored differences and migration of MPs across these areas, unveiled the relationship between diversity, niche, and risks of MPs, and determined influencing factors. The average abundance of soil MPs was 8721 ± 3938 item/kg, and the abundance and contamination factor (CF) of MPs escalated with the increase in rocky desertification level. Diversity, niche, and risk of soil MPs in different rocky desertification areas were significantly different. Rocky desertification caused both MP community differences and linked MP communities at different sites. Diversity and niche significantly affected MP risk (p < 0.05). Environmental factors with significant correlations (p < 0.05) with the abundance and ecological characteristics of MPs varied significantly in soils of different rocky desertification areas. This study advances our comprehension of MP pollution in farmland soils within rocky desertification areas, offering essential data and theoretical insights for the development of control strategies.
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Affiliation(s)
- Xiuyuan Yang
- College of Resources and Environmental Engineering, Guizhou University, Guiyang 550025, Guizhou, China
| | - Zuyan Wan
- College of Resources and Environmental Engineering, Guizhou University, Guiyang 550025, Guizhou, China
| | - Jinnan Xiao
- College of Resources and Environmental Engineering, Guizhou University, Guiyang 550025, Guizhou, China
| | - Fupeng Li
- College of Resources and Environmental Engineering, Guizhou University, Guiyang 550025, Guizhou, China
| | - Fudong Zhang
- College of Resources and Environmental Engineering, Guizhou University, Guiyang 550025, Guizhou, China
| | - Zhenming Zhang
- College of Resources and Environmental Engineering, Guizhou University, Guiyang 550025, Guizhou, China; Key Laboratory of Karst Georesources and Environment, Ministry of Education, Guizhou University, Guiyang 550025, China; Guizhou Karst Environmental Ecosystems Observation and Research Station, Ministry of Education, Guiyang 550025, China.
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Wang H, Ye L, Zhou L, Yu J, Pang B, Zuo D, Gu L, Zhu B, Du X, Wang H. Co-Expression Network Analysis of the Transcriptome Identified Hub Genes and Pathways Responding to Saline-Alkaline Stress in Sorghum bicolor L. Int J Mol Sci 2023; 24:16831. [PMID: 38069156 PMCID: PMC10706439 DOI: 10.3390/ijms242316831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 11/20/2023] [Accepted: 11/24/2023] [Indexed: 12/18/2023] Open
Abstract
Soil salinization, an intractable problem, is becoming increasingly serious and threatening fragile natural ecosystems and even the security of human food supplies. Sorghum (Sorghum bicolor L.) is one of the main crops growing in salinized soil. However, the tolerance mechanisms of sorghum to saline-alkaline soil are still ambiguous. In this study, RNA sequencing was carried out to explore the gene expression profiles of sorghum treated with sodium bicarbonate (150 mM, pH = 8.0, treated for 0, 6, 12 and 24 h). The results show that 6045, 5122, 6804, 7978, 8080 and 12,899 differentially expressed genes (DEGs) were detected in shoots and roots after 6, 12 and 24 h treatments, respectively. GO, KEGG and weighted gene co-expression analyses indicate that the DEGs generated by saline-alkaline stress were primarily enriched in plant hormone signal transduction, the MAPK signaling pathway, starch and sucrose metabolism, glutathione metabolism and phenylpropanoid biosynthesis. Key pathway and hub genes (TPP1, WRKY61, YSL1 and NHX7) are mainly related to intracellular ion transport and lignin synthesis. The molecular and physiological regulation processes of saline-alkali-tolerant sorghum are shown by these results, which also provide useful knowledge for improving sorghum yield and quality under saline-alkaline conditions.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Xuye Du
- School of Life Sciences, Guizhou Normal University, Guiyang 550025, China; (H.W.); (L.Y.); (L.Z.); (J.Y.); (B.P.); (D.Z.); (L.G.); (B.Z.)
| | - Huinan Wang
- School of Life Sciences, Guizhou Normal University, Guiyang 550025, China; (H.W.); (L.Y.); (L.Z.); (J.Y.); (B.P.); (D.Z.); (L.G.); (B.Z.)
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Farooqi ZUR, Qadir AA, Alserae H, Raza A, Mohy-Ud-Din W. Organic amendment-mediated reclamation and build-up of soil microbial diversity in salt-affected soils: fostering soil biota for shaping rhizosphere to enhance soil health and crop productivity. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:109889-109920. [PMID: 37792186 DOI: 10.1007/s11356-023-30143-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Accepted: 09/25/2023] [Indexed: 10/05/2023]
Abstract
Soil salinization is a serious environmental problem that affects agricultural productivity and sustainability worldwide. Organic amendments have been considered a practical approach for reclaiming salt-affected soils. In addition to improving soil physical and chemical properties, organic amendments have been found to promote the build-up of new halotolerant bacterial species and microbial diversity, which plays a critical role in maintaining soil health, carbon dynamics, crop productivity, and ecosystem functioning. Many reported studies have indicated the development of soil microbial diversity in organic amendments amended soil. But they have reported only the development of microbial diversity and their identification. This review article provides a comprehensive summary of the current knowledge on the use of different organic amendments for the reclamation of salt-affected soils, focusing on their effects on soil properties, microbial processes and species, development of soil microbial diversity, and microbial processes to tolerate salinity levels and their strategies to cope with it. It also discusses the factors affecting the microbial species developments, adaptation and survival, and carbon dynamics. This review is based on the concept of whether addition of specific organic amendment can promote specific halotolerant microbe species, and if it is, then which amendment is responsible for each microbial species' development and factors responsible for their survival in saline environments.
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Affiliation(s)
- Zia Ur Rahman Farooqi
- Institute of Soil and Environmental Sciences, University of Agriculture Faisalabad, Faisalabad, 38040, Pakistan.
| | - Ayesha Abdul Qadir
- Institute of Soil and Environmental Sciences, University of Agriculture Faisalabad, Faisalabad, 38040, Pakistan
| | - Hussein Alserae
- Department of Soil Sciences and Water Resources, College of Agricultural Engineering Science, Baghdad University, Baghdad, Iraq
| | - Ali Raza
- Institute of Soil and Environmental Sciences, University of Agriculture Faisalabad, Faisalabad, 38040, Pakistan
| | - Waqas Mohy-Ud-Din
- Institute of Soil and Environmental Sciences, University of Agriculture Faisalabad, Faisalabad, 38040, Pakistan
- Department of Soil and Environmental Sciences, Ghazi University, Dera Ghazi Khan, 32200, Pakistan
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You X, Wang S, Du L, Wu H, Wei Y. Effects of organic fertilization on functional microbial communities associated with greenhouse gas emissions in paddy soils. ENVIRONMENTAL RESEARCH 2022; 213:113706. [PMID: 35714686 DOI: 10.1016/j.envres.2022.113706] [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: 05/25/2022] [Revised: 06/10/2022] [Accepted: 06/13/2022] [Indexed: 06/15/2023]
Abstract
Soil microbial communities play a key role in the biochemical processes and nutrient cycles of the soil ecosystem and their byproducts, including greenhouse gases (GHGs). Organic fertilization influences bacterial soil biodiversity and is an essential emission source of GHGs in paddy soil ecosystems. However, the impact of organic fertilization on the functional microorganisms associated with the GHGs methane and nitrous oxide remains unknown. We conducted paddy soil field experiments under three different treatments (no fertilization, base fertilization, and organic fertilization) to investigate the contribution of organic fertilization to soil nutrients and the functional microorganisms associated with GHG emissions. We found that organic fertilization effectively increased the soil organic matter (P < 0.001), soil organic carbon (P < 0.001), and total nitrogen (P < 0.05) as well as the richness (operational taxonomic units and abundance-based coverage estimators) of the methanogenic communities. Correlation analyses showed that methanogenic communities that were present in abundance were more vulnerable to perturbations in soil properties compared to nitrifying bacterial communities. Partial least squares path model analyses elucidated that organic fertilization directly affected both methanogenic communities and nitrifying bacterial communities (P < 0.05), thereby accelerating methane emissions. Strong co-occurrence networks were observed within the soil-dominant phyla Acidobacteria, Bacteroidetes, and Proteobacteria. Our findings highlight the impact of organic fertilization on soil nutrients and functional microorganisms and guide mitigating GHG emissions from paddy soil agroecosystems.
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Affiliation(s)
- Xinxin You
- Wenzhou Vocational College of Science and Technology, Wenzhou, Zhejiang Province, 325006, PR China
| | - Sheng Wang
- Wenzhou Vocational College of Science and Technology, Wenzhou, Zhejiang Province, 325006, PR China
| | - Linna Du
- Wenzhou Vocational College of Science and Technology, Wenzhou, Zhejiang Province, 325006, PR China; Wencheng Institution of Modern Agriculture and Health-Care Industry, Wenzhou, Zhejiang Province, 325300, PR China.
| | - Huan Wu
- Wenzhou University, Wenzhou, Zhejiang Province, 325027, PR China
| | - Yi Wei
- Wenzhou University, Wenzhou, Zhejiang Province, 325027, PR China
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