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基于奇托,酸和的环保膜,用于缓释肥料
Taufik Abdillah Natsir1, Alvina Mita Iknawati1, Iqbal Dian Wanadri1
1Department of Chemistry, Universitas Gadjah Mada, Yogyakarta, Indonesia.
Heliyon
|February 17, 2025
概括
这项研究开发了可生物降解的奇托/酸/尿素薄膜作为缓释肥料 (SRF). 这些新型SRF提高了吸收效率,并减少了传统尿素肥料造成的环境污染.
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:
- 传统的尿素肥具有成本效益,但导致的吸收和污染不均.
- 慢释放肥料 (SRF) 为改善营养管理提供了一个可持续的替代方案.
- 基于酸盐的材料显示出开发有效的SRF的前景.
研究的目的:
- 为了合成可生物降解的奇托/酸/尿素 (CS/St/Ca-urea) 薄膜.
- 评估这些薄膜作为缓释肥料 (SRF) 以提高尿素使用效率.
- 研究开发的CS/St/Ca薄膜的物理和机械性能.
主要方法:
- 使用酸和氧化合成了素膜.
- 尿素被纳入了奇托/酸/矩阵.
- 描述包括ATR-IR,SEM-EDX,元素分析和溶性测试.
- 评估了诸如胀,疏水性和抗拉强度等物理性质.
主要成果:
- 基托桑/酸比例为1:1显著增加了13.6%的拉伸强度.
- 添加剂和氧化增强了薄膜的机械强度.
- CS/St/Ca薄膜表现出最佳的性能作为尿素SRF涂层,释放率为3.37 - 9.46 ppm/day.
- 释放遵循了希古奇运动模型 (R2 = 0.9505).
结论:
- 可生物降解的CS/St/Ca薄膜作为尿素SRF涂层是有效的.
- 这些薄膜提高了使用效率,并减轻了与传统肥料相关的环境问题.
- 开发的材料为农业营养管理提供了可持续的解决方案.
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