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酸盐水凝膜嵌入金属改性生物炭用于缓释肥料

Mengqiao Wu¹, Jiawei Lu¹, Yan Zhang¹

¹State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, China; Ecological-Environment & Health College (EEHC), Zhejiang A&F University, Hangzhou 311300, China.

International journal of biological macromolecules

|February 26, 2025

概括

使用含有金属改性生物炭 (CS-MBC-SRFs) 的奇托水凝膜的新型缓释肥料 (SRFs) 显著提高营养效率并减少对环境的影响. 这些先进的SRF在NPK释放方面表现出卓越的性能,并促进植物生长.

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:

慢释放肥料 (SRF) 对于可持续农业至关重要,提高营养使用效率,尽量减少环境污染.
传统的肥料经常遭受快速的营养物质出,导致环境问题和降低作物产量.

研究的目的:

开发和评估基于素的新型缓释肥料 (CS-MBC-SRFs),其中包含金属修饰生物炭,以提高营养的输送.
评估CS-MBC-SRF的缓释性能,环境影响和农业效益.

主要方法:

封装N-P-K化合物肥料在嵌入金属修饰生物炭的奇托水凝膜内.
超过33天的土壤柱漏试验量化释放的营养物质 (N,P,K).
评估水凝膜特性 (膨胀,机械,生物降解性,保持水分) 和用植物进行盆栽试验.

主要成果:

与商业NPK,酸盐涂层和生物炭嵌入酸盐涂层肥料相比,CS-MBC-SRF显示了N,P和K的优越缓释特性.
在33天内,CS-MBC-SRF的累积漏率为N<8.93%,P<18.4%,K<14.4%.
金属改性生物炭增强了水凝特性,减少了营养扩散,促进了植物的生长,改善了营养利用,并提高了水果营养指数.

结论:

通过提供高效的营养释放和减少环境损失,CS-MBC-SRF为可持续农业提供了一个有希望的方法.
将金属改性生物炭集成到奇托桑水凝膜中,显著提高了肥料性能和作物生产率.
经济分析表明,这些先进的缓释肥料具有有利的应用前景.

关键词:

生物炭是一种生物炭.基托桑是一种酸盐.缓释化肥是一种缓释化肥.

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