腐殖质是土壤肥力的重要基础,腐殖质含量的变化,直接影响土壤一系列肥力因素的变化,如土壤养分的贮量和有效性,土壤结构的形成和品质,土壤有机无机复合体的含量和性质以及土壤供肥和保肥能力的强弱等等。蚯蚓在其生命活动的过程中,除了形成大量品质优良的土壤团聚体外,同时,还加强了土壤有机物质 Humus is an important foundation of soil fertility. The change of humus content directly affects a series of fertility factors such as soil nutrient storage and availability, soil structure formation and quality, content and nature of soil organic-inorganic complex, and Soil fertility and fattening ability and so on. Earthworms in the process of their life activities, in addition to the formation of a large number of excellent quality of soil aggregates, but also strengthen the soil organic matter