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温度对堆肥孔隙比渗透性以及可压缩性的影响

Keywords: 堆肥,温度,可压缩比,孔隙比,渗透性

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Abstract:

以猪粪及庭园垃圾为材料,在一种可测定堆肥物理结构参数的装置上,研究了温度对堆肥物料可压缩比、孔隙比以及渗透性的影响。结果表明,温度由20℃升到60℃,堆肥物料弹性模数(β)由3.08×10-4上升到8.01×10-4m2·N-1,因而影响堆体的可压缩比、孔隙比以及渗透性等物理结构参数,这种影响随堆肥物料的不同而异,因此,在进行堆肥高度设计时,应充分考虑温度可能对堆体物理结构参数的影响,使堆肥设计更科学合理。

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