Abstract:

In order to study the sources, functions and affecting factors of soil enzymes, prospect the development of soil enzyme, soil enzyme research progresses at home and abroad were analyzed and summarized. Soil enzymes are mainly from soil microbial activity, soil plants and animals. Soil enzymes are metabolic power of soil organism, they play an important role in the material cycle and energy flows of the soil ecosystems. Soil enzymes are biological activity of soil quality and can evaluate soil fertility. Soil enzyme activities are significantly related to soil nutrients, soil animalcule, plants, fertilizer, farming and other agricultural management practices, pesticides and heavy metals pollutions can also affect soil enzyme.