Author(s)

Guo Qian, Qiu Liping

Corresponding Author

Guo Qian

Abstract

Soil enzymes are a general term for a class of active substances that are free or bind to enzymatic action in the soil. Soil enzymes are closely related to microorganisms in the soil, and their activity influencing factors are also diverse. In order to study the influencing factors of several major soil enzymes, this paper determined the main physical and chemical properties, microbial quantity and soil urease, sucrase, dehydrogenase and cellulase activities of a tomb in a tomb, and analyzed soil properties, microbial biomass and The correlation between enzyme activity and the main factors affecting the activity of several enzymes were studied by single factor experiments, which provided a reference for the study of soil enzyme activity. The results showed that the factors related to soil enzyme activity were: total phosphorus content, organic matter content, electrical conductivity and fungal number, and organic matter content was the key influence factor. The addition of exogenous nitrate nitrogen, glucose and humic acid promoted urease, sucrase, cellulase and dehydrogenase activities, respectively.

Keywords

Enzyme soil; Microbial biomass; Soil properties; Impact factor