And the scale of watersoluble little-molecular organic material (WLOM) was very large in the excrement of the chicken manure and cow dung during the decomposition.

• 随着有机肥的腐解,所形成的WLOM中,脂肪族化合物、酰胺类化合物逐渐减少,有机酸的比例不断增大。