优化土壤特性,用水效率和作物产量,通过将生物炭和有机肥料整合到有机土壤中
Peeyush Sharma1, Vikas Abrol1, Jasiya Nazir1
1Division of Soil Science & Ag-Chem, Faculty of Agriculture, Sher-e-Kashmir University of Agricultural Sciences and Technology of Jammu, 180009, India.
Journal of environmental management
|December 14, 2024
概括
米皮生物炭和有机肥料改善土壤健康,提高用水效率和提高卜产量. 综合应用为可持续农业提供了最大的经济效益.
科学领域:
- 农业科学 农业科学
- 土壤科学 土壤科学
- 环境科学 环境科学
背景情况:
- 可持续农业面临着有机肥料分解和米废弃物利用方面的挑战.
- 皮生物炭 (B) 和有机肥 (OM) 对亚热带地区土壤特性和作物生长的协同作用需要进一步研究.
研究的目的:
- 评估大米皮生物炭和有机肥对土壤聚合,聚合物相关碳,用水效率 (WUE),经济效益和卜产量的影响.
- 确定生物炭和有机修正物的最佳组合,以提高土壤特性和作物生产率.
主要方法:
- 一项实地研究使用单独和组合应用的米生物炭 (0和3t ha-1),农场 (FYM) 和虫 (VC) 在沙粘土泥土中进行.
- 测量包括土壤聚合,聚合物相关碳,土壤水分,透率 (IR),WUE,卜产量和经济回报.
主要成果:
- 生物炭的应用显著提高了宏积体的稳定性和聚合物相关碳含量.
- 在添加生物炭后,土壤水分,透率和WUE均有所改善 (分别为9.2%,20.8%和13.6%).
- 结合FYM + VC处理也显示出改善了土壤特性和WUE. 卜产量增加了16%与生物炭和30.9%与FYM + VC.
结论:
- 综合应用的水皮生物炭 (3t ha-1) 和有机肥 (FYM + VC) 产生了最高的经济效益 (净回报138,325 ha-1,B:C比率1:5).
- 将生物炭纳入有机管理实践显著改善了土壤特性和用水效率,从而增加了有机卜的生产.
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