使用有机碳密度分数对猪肥堆肥成熟度的定性评估的新视角
Jia-Yi Hou1, Hong-Tao Liu2, Li-Xia Wang3
1Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China.
Bioresource technology
|January 29, 2024
概括
评估堆肥成熟度是很困难的. 这项研究引入了有机碳密度分数作为可靠的指标,轻/重分数比低于1.33表示成熟的堆肥.
科学领域:
- 土壤科学 土壤科学
- 环境科学 环境科学
- 生物地质化学生物地质化学
背景情况:
- 评估堆肥成熟度对于安全应用至关重要,但受到当前指标的限制.
- 现有的堆肥质量评估方法在可靠性和简单性方面面临挑战.
研究的目的:
- 引入有机碳密度分化作为堆肥成熟度评估的新方法.
- 建立一个新的,可靠的指标,以堆肥成熟度基于有机碳分数.
主要方法:
- 密度分化被用来将土壤有机碳分成轻和重的分量.
- 分析了在堆肥过程中有机碳在分数之间的过渡.
- 轻/重分子有机碳比与已建立的成熟度指标相关.
主要成果:
- 在堆肥过程中,轻微部分的有机碳从82.82%降至44.03%,而重量部分则增加到48.58%.
- 轻重部分有机碳的比率与碳/的比率和酸/富尔维酸的比率有显著的相关性.
- 轻/重分子有机碳比低于1.33被确定为成熟堆肥的潜在标志物.
结论:
- 有机碳密度分化提供了一种简单可靠的方法来评估堆肥成熟度.
- 轻/重分子有机碳比为堆肥质量提供了一个有价值的新指标.
- 这种方法克服了现有的堆肥成熟度评估技术的局限性.
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