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Shahzadi J, Zaib-Un-Nisa, Ali N, Iftikhar M, Shah AA, Ashraf MY, Chao C, Shaffique S, Gatasheh MK. Foliar application of nano biochar solution elevates tomato productivity by counteracting the effect of salt stress insights into morphological physiological and biochemical indices. Sci Rep 2025; 15:3205. [PMID: 39863756 PMCID: PMC11762988 DOI: 10.1038/s41598-025-87399-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2024] [Accepted: 01/20/2025] [Indexed: 01/27/2025] Open
Abstract
Nano-biochar considers a versatile and valuable sorbent to enhance plant productivity by improving soil environment and emerged as a novel solution for environmental remediation and sustainable agriculture in modern era. In this study, roles of foliar applied nanobiochar colloidal solution (NBS) on salt stressed tomato plants were investigated. For this purpose, NBS was applied (0%, 1% 3% and 5%) on two groups of plants (control 0 mM and salt stress 60 mM). Tween-20 was used as a surfactant to prolong NBS effective stay on plant leaf surface. The results showed that 3% NBS application effectively improved the plant height, plant biomass, fruit count and fruit weight under non-stressed and stressed plants. In addition, 3% NBS application further increased the plant pigments such as chlorophyll by 72% and 53%, carotenoids by 64% and 40%, leaf relative water content by 4.1 fold and 1.07 fold under both conditions, respectively. NBS application stabilized the plasma membrane via reducing electrolyte leakage by 30% as well as reduced the lipid peroxidation rates by 46% and 29% under non-stressed and stressed plants, respectively. 3% NBS application also significantly enhanced the plants primary and secondary metabolites, as well as activities of antioxidant enzymes compared to control plants. Overall, NBS foliar application significantly improved all growth and yield indices, pigments, primary and secondary metabolites, leaf water content, antioxidant enzyme activities as well as reduced electrolyte leakage and lipid peroxidation rates in tomato to combat stress conditions. In future, studies on nano biochar interactions with soil microbiota, surface modifications, long-term environmental impacts, reduced methane gas emissions, and biocompatibility could provide insights into optimizing its use in sustainable agriculture.
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Affiliation(s)
- Javeria Shahzadi
- Institute of Molecular Biology and Biotechnology, The University of Lahore, Lahore, Pakistan
| | - Zaib-Un-Nisa
- Institute of Molecular Biology and Biotechnology, The University of Lahore, Lahore, Pakistan.
| | - Naila Ali
- Institute of Molecular Biology and Biotechnology, The University of Lahore, Lahore, Pakistan
| | - Muhammad Iftikhar
- Department of Botany, Division of Science and Technology, University of Education, Lahore, 54770, Pakistan
| | - Anis Ali Shah
- Department of Botany, Division of Science and Technology, University of Education, Lahore, 54770, Pakistan.
| | - M Yasin Ashraf
- Institute of Molecular Biology and Biotechnology, The University of Lahore, Lahore, Pakistan
| | - Chen Chao
- Department of chemistry and molecular biology, School of Life Science and Technology, Harbin Normal University, Harbin, 150025, P.R. China
| | - Shifa Shaffique
- College of Agriculture & Life Science, School of Applied Biosciences, Kyungpook National University, 80 Daehak-ro, Buk-Gu, Daegu, 41566, South Korea
| | - Mansour K Gatasheh
- Department of Biochemistry, College of Science, King Saud University, P.O.Box 2455, Riyadh, 11451, Saudi Arabia
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Hossain MM, Ahmed S, Alam MS, Hossain A. Adverse effects of heat shock in rice ( Oryza sativa L.) and approaches to mitigate it for sustainable rice production under the changing climate: A comprehensive review. Heliyon 2024; 10:e41072. [PMID: 39735635 PMCID: PMC11681873 DOI: 10.1016/j.heliyon.2024.e41072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2024] [Revised: 11/25/2024] [Accepted: 12/06/2024] [Indexed: 12/31/2024] Open
Abstract
Heat shock, a transient exposure to high temperatures, is a substantial hazard to rice (Oryza sativa L.) production and sustainability. The objective of this review paper is to summarize the impact of heat shock on rice and explore approaches to mitigate its adverse effects to achieve sustainable production. Rice is a staple food for billions of people globally and is extremely sensitive to heat shock. Higher temperatures disturb various physiological and biochemical processes, resulting in decreased growth, development, and ultimately lower grain yield. Heat shock negatively affects important agronomic traits, such as panicle differentiation, pollen viability, fertilization, grain filling, and, ultimately, grain quality. To manage heat shock and sustain rice production, several strategies have been explored, such as modifications to sowing schedules, the substitution of heat-tolerant cultivars for sensitive genotypes, and the use of growth regulators. To improve rice under heat shock, various approaches could be taken: (1) cultivating cultivars that flower early in the morning by adjusting sowing/planting times, modified irrigation, and fertilization; (2) inducing acclimation via growth regulators and organic stimulants and chemicals; (3) breeding genetically resistant cultivars through the integration of appropriate genes; and (4) genetic modification techniques for heat-shock tolerance. Overall, effectively managing heat-shock stress in rice requires a comprehensive strategy that includes developing and using heat shock-tolerant cultivars, adopting suitable cultural practices, utilizing external substances, and applying biotechnological tools. Implementing these strategies collectively will help achieve sustainable rice production in the face of increasing heat-shock conditions.
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Affiliation(s)
- Mohammad Mobarak Hossain
- On-Farm Research Division, Bangaldesh Wheat and Maize Research Institute, Nashipur, Dinajpur, 5200, Bangladesh
| | - Sharif Ahmed
- International Rice Research Institute Bangladesh Office, Banani, Dhaka, 1213, Bangladesh
| | | | - Akbar Hossain
- Soil Science Division, Bangaldesh Wheat and Maize Research Institute, Nashipur, Dinajpur, 5200, Bangladesh
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Minello LVP, Kuntzler SG, Lamb TI, Neves CDO, Berghahn E, da Paschoa RP, Silveira V, de Lima JC, Aguzzoli C, Sperotto RA. Rice plants treated with biochar derived from Spirulina ( Arthrospira platensis) optimize resource allocation towards seed production. FRONTIERS IN PLANT SCIENCE 2024; 15:1422935. [PMID: 39359626 PMCID: PMC11444984 DOI: 10.3389/fpls.2024.1422935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Accepted: 08/26/2024] [Indexed: 10/04/2024]
Abstract
The use of biofertilizers is becoming an economical and environmentally friendly alternative to promote sustainable agriculture. Biochar from microalgae/cyanobacteria can be applied to enhance the productivity of food crops through soil improvement, slow nutrient absorption and release, increased water uptake, and long-term mitigation of greenhouse gas sequestration. Therefore, the aim of this study was to evaluate the stimulatory effects of biochar produced from Spirulina (Arthrospira platensis) biomass on the development and seed production of rice plants. Biochar was produced by slow pyrolysis at 300°C, and characterization was performed through microscopy, chemical, and structural composition analyses. Molecular and physiological analyses were performed in rice plants submitted to different biochar concentrations (0.02, 0.1, and 0.5 mg mL-1) to assess growth and productivity parameters. Morphological and physicochemical characterization revealed a heterogeneous morphology and the presence of several minerals (Na, K, P, Mg, Ca, S, Fe, and Si) in the biochar composition. Chemical modification of compounds post-pyrolysis and a highly porous structure with micropores were observed. Rice plants submitted to 0.5 mg mL-1 of biochar presented a decrease in root length, followed by an increase in root dry weight. The same concentration influenced seed production, with an increase of 44% in the number of seeds per plant, 17% in the percentage of full seeds per plant, 12% in the weight of 1,000 full seeds, 53% in the seed weight per plant, and 12% in grain area. Differential proteomic analyses in shoots and roots of rice plants submitted to 0.5 mg mL-1 of biochar for 20 days revealed a fine-tuning of resource allocation towards seed production. These results suggest that biochar derived from Arthrospira platensis biomass can stimulate rice seed production.
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Affiliation(s)
- Luana Vanessa Peretti Minello
- Botany Department, Graduate Program in Plant Physiology, Biology Institute, Federal University of Pelotas, Pelotas, Brazil
| | | | - Thainá Inês Lamb
- Graduate Program in Biotechnology, University of Vale do Taquari - Univates, Lajeado, Brazil
| | | | - Emílio Berghahn
- Graduate Program in Biotechnology, University of Vale do Taquari - Univates, Lajeado, Brazil
| | - Roberta Pena da Paschoa
- Laboratory of Biotechnology, Bioscience and Biotechnology Center, State University of Northern Rio de Janeiro Darcy Ribeiro (UENF), Campos dos Goytacazes, Brazil
| | - Vanildo Silveira
- Laboratory of Biotechnology, Bioscience and Biotechnology Center, State University of Northern Rio de Janeiro Darcy Ribeiro (UENF), Campos dos Goytacazes, Brazil
| | | | - Cesar Aguzzoli
- Area of Knowledge in Exact Sciences and Engineering, Graduate Program in Materials Engineering and Science, University of Caxias do Sul (UCS), Caxias do Sul, Brazil
| | - Raul Antonio Sperotto
- Botany Department, Graduate Program in Plant Physiology, Biology Institute, Federal University of Pelotas, Pelotas, Brazil
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Xia Z, Gong Y, Yang Y, Wu M, Bai J, Zhang S, Lu H. Effects of root-zone warming, nitrogen supply and their interactions on root-shoot growth, nitrogen uptake and photosynthetic physiological characteristics of maize. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 214:108887. [PMID: 38943877 DOI: 10.1016/j.plaphy.2024.108887] [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: 01/17/2024] [Revised: 06/25/2024] [Accepted: 06/26/2024] [Indexed: 07/01/2024]
Abstract
In the context of climate change, the impact of root-zone warming (RW) on crop nutrient absorption and utilization has emerged as a significant concern that cannot be overlooked. Nitrogen (N) is an essential element for crop growth and development, particularly under stress. The comprehensive effect and relationship between RW and N level remains unclear. The objective of this experiment was to investigate the impact of RW on root-shoot growth and photosynthetic physiological characteristics of maize seedlings under varying N levels. The results demonstrated that optimal RW was beneficial to the growth of maize, while excessive root-zone temperature (RT) significantly impeded N uptake in maize. Under low N treatment, the proportion of N distribution in roots increased, and the root surface area increased by 41 %. Furthermore, under low N levels, the decline in root vitality and the increase in root MDA caused by high RT were mitigated, resulting in an enhancement of the root's ability to cope with stress. For the above-ground part, under the double stress of high RT and low N, the shoot N concentration, leaf nitrate reductase, leaf glutamine synthase, chlorophyll content, net photosynthetic rate and shoot dry matter accumulation decreased by 86 %, 60 %, 35 %, 53 %, 64 % and 59 %, respectively. It can be reasonably concluded that reasonable N management is an important method to effectively reduce the impact of high RT stress.
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Affiliation(s)
- Zhenqing Xia
- College of agronomy of Northwest A & F University, Yangling, Shaanxi, 712100, China
| | - Yuxiang Gong
- College of agronomy of Northwest A & F University, Yangling, Shaanxi, 712100, China
| | - Yi Yang
- College of agronomy of Northwest A & F University, Yangling, Shaanxi, 712100, China
| | - Mengke Wu
- College of agronomy of Northwest A & F University, Yangling, Shaanxi, 712100, China
| | - Jingxuan Bai
- College of agronomy of Northwest A & F University, Yangling, Shaanxi, 712100, China
| | - Shibo Zhang
- College of agronomy of Northwest A & F University, Yangling, Shaanxi, 712100, China
| | - Haidong Lu
- College of agronomy of Northwest A & F University, Yangling, Shaanxi, 712100, China.
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Abhijith Shankar PS, Parida P, Bhardwaj R, Yadav A, Swapnil P, Seth CS, Meena M. Deciphering molecular regulation of reactive oxygen species (ROS) and reactive nitrogen species (RNS) signalling networks in Oryza genus amid environmental stress. PLANT CELL REPORTS 2024; 43:185. [PMID: 38951279 DOI: 10.1007/s00299-024-03264-1] [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: 03/29/2024] [Accepted: 06/10/2024] [Indexed: 07/03/2024]
Abstract
The Oryza genus, containing Oryza sativa L., is quintessential to sustain global food security. This genus has a lot of sophisticated molecular mechanisms to cope with environmental stress, particularly during vulnerable stages like flowering. Recent studies have found key involvements and genetic modifications that increase resilience to stress, including exogenous application of melatonin, allantoin, and trehalose as well as OsSAPK3 and OsAAI1 in the genetic realm. Due to climate change and anthropogenic reasons, there is a rise in sea level which raises a concern of salinity stress. It is tackled through osmotic adjustment and ion homeostasis, mediated by genes like P5CS, P5CR, GSH1, GSH2, and SPS, and ion transporters like NHX, NKT, and SKC, respectively. Oxidative damage is reduced by a complex action of antioxidants, scavenging RONS. A complex action of genes mediates cold stress with studies highlighting the roles of OsWRKY71, microRNA2871b, OsDOF1, and OsICE1. There is a need to research the mechanism of action of proteins like OsRbohA in ROS control and the action of regulatory genes in stress response. This is highly relevant due to the changing climate which will raise a lot of environmental changes that will adversely affect production and global food security if certain countermeasures are not taken. Overall, this study aims to unravel the molecular intricacies of ROS and RNS signaling networks in Oryza plants under stress conditions, with the ultimate goal of informing strategies for enhancing stress tolerance and crop performance in this important agricultural genus.
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Affiliation(s)
- P S Abhijith Shankar
- School of Basic Sciences, Department of Botany, Central University of Punjab, Bathinda, 151401, Punjab, India
| | - Pallabi Parida
- School of Basic Sciences, Department of Botany, Central University of Punjab, Bathinda, 151401, Punjab, India
| | - Rupesh Bhardwaj
- School of Basic Sciences, Department of Botany, Central University of Punjab, Bathinda, 151401, Punjab, India
| | - Ankush Yadav
- School of Basic Sciences, Department of Botany, Central University of Punjab, Bathinda, 151401, Punjab, India
| | - Prashant Swapnil
- School of Basic Sciences, Department of Botany, Central University of Punjab, Bathinda, 151401, Punjab, India.
| | | | - Mukesh Meena
- Laboratory of Phytopathology and Microbial Biotechnology, Department of Botany, Mohanlal Sukhadia University, Udaipur, 313001, Rajasthan, India.
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Rasheed A, Anwar S, Shafiq F, Zaib-Un-Nisa, Khan S, Ashraf M. Physiological and biochemical effects of biochar nanoparticles on spinach exposed to salinity and drought stresses. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:14103-14122. [PMID: 38270760 DOI: 10.1007/s11356-024-31953-7] [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: 10/12/2023] [Accepted: 01/06/2024] [Indexed: 01/26/2024]
Abstract
The utilization of nanobiochar in agricultural practices has garnered substantial interest owing to its promising potential. Its nano-size particles possess an enhanced ability to infiltrate plant cells, potentially instigating biochemical and physiological responses that augment stress tolerance. In our study, we aimed to assess the impact and extent of exogenously applied nanobiochar on the growth dynamics and antioxidative responses in Spinacia oleracea L. (spinach) plants subjected to salt stress (50 mM NaCl) and drought stress (maintained at 60% field capacity) compared with respective controls (0 mM NaCl and 100% field capacity). Following a 15-day exposure to stress conditions, nanobiochar solution (at concentrations of 0, 1, 3, and 5% w/v) was sprayed on spinach plants at weekly intervals (at 14, 21, and 28 days after sowing). The foliar application of nanobiochar markedly improved biomass, net assimilation rate, leaf area, and various other growth parameters under drought and salinity stress conditions. Notably, the application of 3% nanobiochar caused the most significant enhancement in growth traits, photosynthetic pigments, and nutrient content, indicating its efficiency in directly supplying nutrients to the foliage. Furthermore, under drought stress conditions, the application of 3% nanobiochar elicited a notable 62% increase in catalase activity, a two-fold rise in peroxidase activity, and a 128% increase in superoxide dismutase activity compared to the control (without nanobiochar). Additionally, nanobiochar application enhanced membrane stability, evidenced by reduced lipid peroxidation and electrolyte leakage. The foliar application of 3% nanobiochar was found as a promising strategy to significantly enhance spinach growth parameters, nutrient assimilation, and antioxidative defense mechanisms, particularly under conditions of drought and salinity stress.
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Affiliation(s)
- Aimun Rasheed
- Institute of Molecular Biology and Biotechnology, The University of Lahore, Lahore, Pakistan
| | - Sumera Anwar
- Department of Botany, GC Women University Faisalabad, Faisalabad, Pakistan.
| | - Fahad Shafiq
- Department of Botany, GC University Lahore, Lahore, Pakistan
| | - Zaib-Un-Nisa
- Institute of Molecular Biology and Biotechnology, The University of Lahore, Lahore, Pakistan
| | - Shahbaz Khan
- College of Tropical Crops, Hainan University, Haikou, 570228, People's Republic of China
| | - Muhammad Ashraf
- Institute of Molecular Biology and Biotechnology, The University of Lahore, Lahore, Pakistan
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7
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He X, Yang Y, Huang B, Wang Z, Wang M. An overview of characteristic factors of biochar as a soil improvement tool in rice growth- A review. ENVIRONMENTAL RESEARCH 2024; 242:117794. [PMID: 38036209 DOI: 10.1016/j.envres.2023.117794] [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: 09/04/2023] [Revised: 11/21/2023] [Accepted: 11/24/2023] [Indexed: 12/02/2023]
Abstract
Biochar is a growing tool for bioremediation and soil improvement applications. Researchers are focusing on biochar due to its efficacy, eco-friendly composition, and cost-effective solutions to a variety of environmental issues. In recent times biochar has been used in enhancing the soil, increasing nutrient content, and sequestering carbon in paddy cultivation soils. India and Southeast Asian countries consume paddy as a major source of food in large quantities. Therefore, improving the growth condition of paddy fields using an easily available and safe technique will help increase the production rate. This will fulfill the needs of the growing population. Biochar is developed by the thermal decomposition of organic materials in low or no oxygen through pyrolysis, gasification, and co-pyrolysis methods. It improves paddy soil fertility due to its special physicochemical properties such as porosity, high surface area, efficient slow release, nutrient holding capacity, and maintenance of soil microbiota. Considering the importance of biochar in paddy soil fertility, the present work reviews the sources of biochar, functionalization of biochar, mechanism, and beneficial role of biochar.
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Affiliation(s)
- Xiaolei He
- College of Horticulture and Landscape Architecture, Heilongjiang Bayi Agriculture University, Daqing, 163319, PR China
| | - Yunrui Yang
- College of Horticulture and Landscape Architecture, Heilongjiang Bayi Agriculture University, Daqing, 163319, PR China
| | - Baosen Huang
- College of Horticulture and Landscape Architecture, Heilongjiang Bayi Agriculture University, Daqing, 163319, PR China
| | - Zhihui Wang
- College of Horticulture and Landscape Architecture, Heilongjiang Bayi Agriculture University, Daqing, 163319, PR China
| | - Mengxue Wang
- College of Agriculture, Heilongjiang Bayi Agriculture University, Daqing, 163319, PR China.
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8
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Alharbi K, Khan AA, Sakit Alhaithloul HA, Al-Harbi NA, Al-Qahtani SM, Aloufi SS, Abdulmajeed AM, Muneer MA, Alghanem SMS, Zia-Ur-Rehman M, Usman M, Soliman MH. Synergistic effect of β-sitosterol and biochar application for improving plant growth of Thymus vulgaris under heat stress. CHEMOSPHERE 2023; 340:139832. [PMID: 37591372 DOI: 10.1016/j.chemosphere.2023.139832] [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: 06/20/2023] [Revised: 08/04/2023] [Accepted: 08/14/2023] [Indexed: 08/19/2023]
Abstract
Climate change has become the global concern due to its drastic effects on the environment. Agriculture sector is the backbone of food security which remains at the disposal of climate change. Heat stress is the is the most concerning effect of climate change which negatively affect the plant growth and potential yields. The present experiment was conducted to assess the effects of exogenously applied β-sitosterol (Bs at 100 mg/L) and eucalyptus biochar (Eb at 5%) on the antioxidants and nutritional status in Thymus vulgaris under heat stressed conditions. The pot experiment was conducted in completely randomize design in which thymus plants were exposed to heat stress (33 °C) and as a result, plants showed a substantial decline in morpho-physiological and biochemical parameters e.g., a reduction of 59.46, 75.51, 100.00, 34.61, 22.65, and 38.65% was found in plant height, shoot fresh weight, root fresh weight, dry shoot weight, dry root weight and leaf area while in Bs + Eb + heat stress showed 21.16, 56.81, 67.63, 23.09, 12.84, and 35.89% respectively as compared to control. In the same way photosynthetic pigments, transpiration rate, plant nutritional values and water potential increased in plants when treated with Bs and Eb in synergy. Application of Bs and Eb significantly decreased the electrolytic leakage of cells in heat stressed thymus plants. The production of reactive oxygen species was significantly decreased while the synthesis of antioxidants increased with the application of Bs and Eb. Moreover, the application Bs and Eb increased the concentration of minerals nutrients in the plant body under heat stress. Our results suggested that application of Bs along with Eb decreased the effect of heat stress by maintaining nutrient supply and enhanced tolerance by increasing the production of photosynthetic pigments and antioxidant activity.
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Affiliation(s)
- Khadiga Alharbi
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh, 11671, Saudi Arabia
| | - Amir Abdullah Khan
- Department of Plant Biology and Ecology, Nankai University, Tianjin, 300071, China
| | | | - Nadi Awad Al-Harbi
- Biology Department, University College of Tayma, University of Tabuk, Tabuk, 47512, Saudi Arabia
| | - Salem Mesfir Al-Qahtani
- Biology Department, University College of Tayma, University of Tabuk, Tabuk, 47512, Saudi Arabia
| | - Saeedah Sallum Aloufi
- Biology Department, Faculty of Science, Taibah University, Al-Sharm, Yanbu El-Bahr, Yanbu, 46429, Saudi Arabia
| | - Awatif M Abdulmajeed
- Biology Department, Faculty of Science, University of Tabuk, Umluj, 46429, Tabuk, Saudi Arabia
| | - Muhammad Atif Muneer
- College of Resources and Environment, International Magnesium Institute, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | | | - Muhammad Zia-Ur-Rehman
- Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad, 38000, Punjab, Pakistan.
| | - Muhammad Usman
- Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad, 38000, Punjab, Pakistan
| | - Mona H Soliman
- Biology Department, Faculty of Science, Taibah University, Al-Sharm, Yanbu El-Bahr, Yanbu, 46429, Saudi Arabia; Botany and Microbiology Department, Faculty of Science, Cairo University, Giza, 12613, Egypt.
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Bagheri Novair S, Cheraghi M, Faramarzi F, Asgari Lajayer B, Senapathi V, Astatkie T, Price GW. Reviewing the role of biochar in paddy soils: An agricultural and environmental perspective. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 263:115228. [PMID: 37423198 DOI: 10.1016/j.ecoenv.2023.115228] [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: 04/14/2023] [Revised: 06/19/2023] [Accepted: 07/01/2023] [Indexed: 07/11/2023]
Abstract
The main challenge of the twenty-first century is to find a balance between environmental sustainability and crop productivity in a world with a rapidly growing population. Soil health is the backbone of a resilient environment and stable food production systems. In recent years, the use of biochar to bind nutrients, sorption of pollutants, and increase crop productivity has gained popularity. This article reviews key recent studies on the environmental impacts of biochar and the benefits of its unique physicochemical features in paddy soils. This review provides critical information on the role of biochar properties on environmental pollutants, carbon and nitrogen cycling, plant growth regulation, and microbial activities. Biochar improves the soil properties of paddy soils through increasing microbial activities and nutrient availability, accelerating carbon and nitrogen cycle, and reducing the availability of heavy metals and micropollutants. For example, a study showed that the application of a maximum of 40 t ha-1 of biochar from rice husks prior to cultivation (at high temperature and slow pyrolysis) increases nutrient utilization and rice grain yield by 40%. Biochar can be used to minimize the use of chemical fertilizers to ensure sustainable food production.
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Affiliation(s)
- Sepideh Bagheri Novair
- Department of Soil Science, University College of Agriculture & Natural Resources, University of Tehran, Karaj, Iran.
| | - Meysam Cheraghi
- Department of Soil Science, University College of Agriculture & Natural Resources, University of Tehran, Karaj, Iran.
| | - Farzaneh Faramarzi
- Department of Agronomy and Plant Breeding, University College of Agriculture & Natural Resources, University of Tehran, Karaj, Iran.
| | | | | | - Tess Astatkie
- Faculty of Agriculture, Dalhousie University, Truro, NS B2N 5E3, Canada.
| | - G W Price
- Faculty of Agriculture, Dalhousie University, Truro, NS B2N 5E3, Canada.
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Rice Growth Performance, Nutrient Use Efficiency and Changes in Soil Properties Influenced by Biochar under Alternate Wetting and Drying Irrigation. SUSTAINABILITY 2022. [DOI: 10.3390/su14137977] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Water-saving irrigation occasionally causes an inconsequential yield loss in rice; thereby, biochar incorporation in this context has great scope due to its properties, including the release of nutrients and improving soil physicochemical properties. An experiment was conducted to investigate the effect of biochar combined with fertilizer on physiological response, water and nutrient efficiency of rice and changes in biochemical properties of soil under AWD (alternate wetting and drying) irrigation system. Two types of irrigation practice, such as AWD and CF (continuous flooding), and four types of fertilizer combination, namely T1: 25% Rice husk biochar (RHB) + 75% of recommended fertilizer dose (RFD); T2: 25% oil palm empty fruit bunch biochar (EFBB) + 75% of RFD; T3: 100% RFD; and T0: 0% biochar and fertilizer, were assigned to assess their impacts. The AWD irrigation produced a sharply reduced grain yield (210.58 g pot−1) compared to CF irrigation (218.04 g pot−1), whereas the biochar combination treatments T1 and T2 produced greater yields (260.27 and 252.12 g pot−1, respectively), which were up to 12.5% higher than RFD. Within AWD, irrigation water usage by T1 and T2 (98.50 and 102.37 g L−1, respectively) was profoundly reduced by up to 28.8%, with improved water use efficiency (WUE). The main effect of biochar treatment T1 and T2 also increased photosynthesis rate during vegetative and maturing stage (up to 17.6 and 24.4%, respectively), in addition to boosting agronomic efficiency of nitrogen (N), phosphorous (P) and potassium (K) compared to RFD (T3). Nevertheless, T1 and T2 significantly enhanced the total carbon and nitrogen; dehydrogenase and urease enzyme activities also increased in both irrigation regimes. The results reveal that the integrated application of RHB and EFBB with fertilizer in the AWD regime significantly reduces irrigation water usage and improves nutrient use efficiency, WUE and soil biochemical properties with a minimum yield penalty for rice.
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