从橄厂蛋糕中提取的堆肥:基于酸特性对等性土壤质量的影响
Saoussan Masmoudi1, Wadii Abid1, Khaled Medhioub1
1Preparatory Institute of Engineering Studies in Sfax, Laboratory of Environmental Sciences and Sustainable Development (LASED), University of Sfax, B.P. 805 - 3018, Sfax, Tunisia.
Heliyon
|September 12, 2024
概括
堆肥应用显著提高土壤有机物 (SOM) 稳定性,通过增加酸 (HA) 复杂性和氧化. 较低的堆肥率 (10-20%) 促进了比肥料或高堆肥率更大的化.
科学领域:
- 土壤科学 土壤科学
- 环境化学环境化学
- 农业学是一种农业学.
背景情况:
- 土壤有机物 (SOM) 对于土壤的健康和稳定至关重要.
- 堆肥修改用于改善土壤特性,但它们对SOM稳定性的影响需要详细调查.
- 了解湿化过程是评估土壤修改的长期益处的关键.
研究的目的:
- 评估堆肥对土壤有机物 (SOM) 稳定性的影响.
- 为了比较堆肥效应与堆肥应用对湿性物质的效应.
- 在不同的修改场景下,描述化过程和由此产生的酸 (HA).
主要方法:
- 在温室实验中,90天内用肥料 (10%) 和堆肥 (10%,20%,40%) 修改土壤.
- 从土壤层 (0-15厘米和15-30厘米) 提取酸 (HA) 和酸 (FA).
- 确定CHA/CFA比率,化参数和HA的光谱表征 (E4/E6,FTIR) 的方法.
主要成果:
- 随着时间的推移,修改度影响了化参数.
- 堆肥应用 (10%和20%) 导致较高的化水平和更多的氧化HA结构,而不是10%的和40%的堆肥.
- 光谱分析显示HA中的芳香度和含O的组增加,表明分子协会和化增强.
- 上层土壤表现出更高的HA反应性,而下层土壤表现出更高的humidified.
结论:
- 堆肥应用,特别是10%和20%的比率,通过改进的湿化,有效地提高了SOM的稳定性.
- 软化过程导致形成更稳定的,复杂的HA宏分子,功能性增加.
- 土壤深度影响了湿化过程和SOM特征,上层表现出更大的反应性.
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