Biochar as Soil Amendment in Climate-Smart Agriculture: Opportunities, Future Prospects, and Challenges

文献类型： 外文期刊

第一作者： Bhattacharyya, Pranaba Nanda

作者： Bhattacharyya, Pranaba Nanda;Bhattacharyya, Pranaba Nanda;Borah, Dhrubajit;Sandilya, Sosanka Protim;Sarma, Bhaskar;Pandey, Abhay K.;Dutta, Jintu;Mahanta, Kaberi;Lesueur, Didier;Lesueur, Didier;Lesueur, Didier;Lesueur, Didier;Lesueur, Didier;Nath, Bharat Chandra;Borah, Dhrubajit;Borgohain, Dhruba Jyoti

作者机构：

关键词： Agriculture sustainability; Biochar; Climate-smart agriculture; Good agricultural practices; Plant-microbe interaction; Pyrolysis

期刊名称：JOURNAL OF SOIL SCIENCE AND PLANT NUTRITION （ 影响因子：3.9； 五年影响因子：3.9 ）

ISSN： 0718-9508

年卷期： 2024 年 24 卷 1 期

页码：

收录情况： SCI

摘要： There appears to be an increasing demand for quality food and fodder to ensure environmental safety. Although chemical fertilizers and pesticides are widely used to increase crop yield and plant protection, the unauthorized and injudicious use of chemicals negatively affects native flora and fauna and depletes natural soil fertility, culminating in quality loss, climate crisis, and global warming. Recently, there has been a lot of focus on using biochar to improve soil health, mitigate soil degradation, and control soil and water pollution because biochar restores ecosystems and enhances soil quality. Biochar is a solid, carbon-rich material with a high surface area and improved nutrient content that exhibits slow nutrient release properties obtained through the pyrolysis of various biochar-based environmental materials. Sustainable biochar release in the soil can improve plant growth through nutrient use efficiencies, enhancing beneficial plant-microbe interactions, and plant protection. The current review summarizes the properties and cost-effective production technologies of quality biochar, sustainable application, action mechanisms for improving soil properties, and prominent plant-microbe interactions for enhanced plant growth and survival under climate-smart agriculture. Biochar's agronomic potential in the soil is affected by physical and chemical properties, such as surface area, particle density, and pore size distribution, as well as pH, electrical conductivity, total and plant-available concentrations of carbon, nitrogen, potassium, and phosphorus, cation exchange capacity, and certain minor nutrients. Additionally, the essential requirements of healthy soil and associated attributes of good agricultural practices are addressed, along with the key benefits, limitations, and opportunities of biochar application for enhancing sustainability in agriculture.

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