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基于纤维素的化竹子,尿素释放缓慢,碳足迹较低,在实地试验中提高了雨水米作物的生产力

Rohit Rai¹, Rahul Ranjan¹, Sonal Kumari²

¹School of Biochemical Engineering, Indian Institute of Technology (BHU), Varanasi 221005, India.

International journal of biological macromolecules

|February 19, 2025

概括

一种来自竹子的新型缓释尿素系统通过改善水和营养递送来增强雨水作物. 这种环保方法提高了产量和土壤健康,为农业提供了可持续的替代方案.

科学领域:

农业科学农业科学
材料科学材料科学材料科学
环境科学环境科学

背景情况:

雨水米种植面临气候变化带来的挑战,导致水和营养压力,影响作物产量和生产率.
在不利的环境条件下,开发可持续的农业实践对于提高作物弹性和土壤健康至关重要.

研究的目的:

开发一种由竹子改性纤维素制成的系统,用于缓慢释放尿素和保持雨水作物的水分.
评估该系统在提高大米产量,质量和土壤健康方面的有效性.

主要方法:

竹子被脱和化,以创建一个纤维素基质 (DPB).
尿素被透并融化到DPB矩阵中,形成化的DPB尿素 (MDU).
分析了MDU的保持水分,尿素释放率以及对大米作物和土壤的影响.

主要成果:

MDU显示显著的水分保留 (72小时) 和持续的尿素释放 (11天内45-55%).
田间应用改善了米植物的高度 (16.66%),叶绿素含量 (32%) 和谷物产量 (230公斤/公).
MDU的应用增加了谷物 (1.60%) 和 (0.089%),促进了土壤健康的尿解微生物.

结论:

基于纤维素的MDU系统有效地解决了雨水米中的水和营养压力.
这种可生物降解材料提供了一个可持续的,低碳足迹的解决方案,以提高农业生产率和土壤质量.
开发的系统支持可持续农业的循环生物经济模式.

关键词:

它是生物降解的.生物材料是一种生物材料.循环经济是一个循环经济.豆豆是指大米中的豆.可持续农业可持续农业

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