Microbial fertilizers can promote crop growth and yield,increase soil microbial diversity,improve soil structure,and promote sustainable agricultural practices by fixing nitrogen in the atmosphere;dissolving elements such as phosphorus and potassium in the soil that are not easily absorbed by plants,and producing growth promoting substances.Therefore,this paper explores the classification of microbial fertilizers,and their impacts and application effects on crop yield,in order to provide scientific basis for promoting the widespread application of microbial fertilizers and achieving sustainable agricultural development.
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