Because of the distinction of soil property and humus content, soil water content is not ideal to indicate whether it is suitable to the growth of plant.
由于土壤性质和腐殖质含量的不同，土壤的含水量并不能很好地说明是否适宜植物的生长。
2
Various kinds of humus derived from different plant residues are basically the same in nature.
各种植物残体所形成的腐殖质，其性质基本相同。
3
During the process the organic materials will be turned to the stable humus, which can be used as fertilizer and amend for the plant soil.