Research progress on the growth promoting effect of microbial fertilizer on plants

Microbial fertilizer is a kind of live bacteria preparation that can make plants obtain specific fertilizer effect. With the extensive use of chemical fertilizers and pesticides caused by a series of problems, people began to pay more and more attention to the research and use of microbial fertilizer. This paper describes the application of microbial fertilizer in food crops, vegetables, fruit trees and so on. The mechanism of microbial fertilizer was explained from five aspects: improving soil fertility, promoting plant growth, biological control, improving plant product quality and improving environmental conditions.