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提高化抑制剂效率和最大限度地减少环境风险的有效策略,通过环保生物复合材料创造的微环境来最大限度地减少环境风险

Dongjia Li¹, Ting Yang¹, Qi Wang¹

¹College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, China.

Journal of environmental management

|November 3, 2024

概括

一种新的酸盐多微环境 (SANMP) 增强了像DMPP这样的化抑制剂 (NI) 的稳定性和效率. 这项创新大大减少了农业中有害的气损失和温室气体排放.

科学领域:

农业科学农业科学
环境科学环境科学
材料科学材料科学材料科学

背景情况:

合成化肥对于全球粮食生产至关重要,但由于气损失导致严重的环境污染.
化抑制剂 (NI) 可以减轻这些损失,但它们的有效性往往受短期稳定性和可变性能的限制.
现有的提高NI效率的战略不足以解决与肥使用相关的环境和经济问题.

研究的目的:

开发一种新的,环保的微环境 (SANMP),使用酸盐和多来增强化抑制剂的稳定性和有效性.
评估SANMP对DMPP (一种常见的NI) 在各种条件下的稳定性的影响,包括高温,复合肥料和不同的土壤pH水平.
评估SANMP在减少氧化 (N2O) 排放方面的有效性,与传统的DMPP配方和仅含肥的处理方法相比.

主要方法:

开发一种稳定的微环境 (SANMP),使用酸盐和多来封装化抑制剂.
在SANMP配方中测试DMPP的稳定性,温度范围为70-125°C,土壤pH范围为5.6-7.9.
与对照组 (仅化肥和传统DMPP配方) 相比,使用SANMP增强肥料处理的N2O排放量量化.
化学结构分析以阐明SANMP内的DMPP固定机制,包括孔隙填充,化和静电吸引.

主要成果:

SANMP显著提高了DMPP的稳定性,在高温下增加了47%-77%,在复合肥料中增加了1.4%-11%,在广泛的土壤pH范围内增加了21%-27%.
基于SANMP的配方可将N2O排放量减少89%,与仅使用肥的处理方法相比,以及与传统的DMPP配方相比,进一步减少26%.
在SANMP内部的固定机制有效地保护DMPP免受高温,pH波动,环境离子和土壤微生物活动引起的降解.

结论:

新型SANMP提供了一种有效的解决方案,可以提高DMPP等化抑制剂的稳定性并减少其降解.
这项技术在减少农业气损失和相关的环境污染,特别是N2O排放方面取得了显著的改进.
SANMP提出了一种具有成本效益和环境效益的方法,用于改进农业中营养管理策略.

关键词:

3,4-二甲基pyrazole酸盐的使用情况.控制环境污染控制环境污染化抑制剂是一种化抑制剂.氧化还原法氧化还原法可持续农业可持续农业

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