通过尿素涂层用素,粉和尿素酶抑制剂对N释放的影响
Flávia Melara1, Lucas Kayser da Silva2, Nicolas Alberton Mandelli3
1Graduate Program in Civil and Environmental Engineering, University of Passo Fundo, Passo Fundo, Rio Grande do Sul, Brazil.
International journal of biological macromolecules
|February 3, 2025
概括
一种新型的尿素涂层添加剂,结合了奇托,粉和尿素酶抑制剂,显著改善了植物生长,减少了对环境的影响. 这种可持续的肥料增强了根部的发育,降低了氨产量,成本增加最小.
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:
- 化肥对于粮食生产至关重要,但由于分散在农业生态系统中,会带来环境风险.
- 开发可控释放肥料对于减轻环境损害和提高营养使用效率至关重要.
研究的目的:
- 开发和评估一种新的尿素涂层添加剂,使用奇托,粉和N-(n-基) 硫酸三胺 (NBPT).
- 评估添加剂对尿素释放率,氨产量和生菜和火箭中的植物生长的影响.
主要方法:
- 使用Korsmeyer-Peppas模型研究了水中的尿素释放动力学.
- 福里埃变换红外光谱法 (FTIR) 描述了添加剂的化学相互作用.
- 对生菜和火箭进行了生物测试,以评估植物生长参数.
主要成果:
- 添加剂使尿素在水中的释放率降低了12%,这与Fickian扩散相一致.
- FTIR证实了酸盐的氨基组和尿素的基组之间的相互作用,减缓释放.
- 在生菜和火箭菜中观察到根部发育的显著改善,包括增加的表面积 (97%),体积 (100%) 和根部生长 (65%-131%).
- 在24小时后,在尿酸酶的存在下,氨产量减少.
结论:
- 开发的尿素涂层添加剂有效控制尿素的释放,并减少氨产量.
- 该添加剂显著促进作物的根部发育,为可持续农业做出贡献.
- 这种具有成本效益的肥料添加剂为减少浪费和增强可持续食品生产提供了有希望的解决方案.
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