Bacterial fertilizer is a common name for microbial fertilizer. It is an auxiliary fertilizer with living bacteria. There are a large number of microorganisms (including bacteria, fungi, actinomycetes) in the soil, and generally contain hundreds of millions to billions of microorganisms per gram of soil. Some are good for crop growth and some are harmful. People use scientific methods to separate and select beneficial microorganisms from the soil. After cultivation, reproduction, and preparation of microbial agents, these microbial agents are applied to agriculture to increase crop yield, which is called microbial fertilizer. At present, the bacterial fertilizers produced and applied in China mainly include rhizobium, nitrogen-fixing bacteria, phosphorus bacteria, potassium bacteria, and EM bacteria fertilizer. Bacterial fertilizer is through the life activities of beneficial microorganisms, antagonizing harmful microorganisms, promoting the transformation of nutrients in the soil, improving the availability of soil nutrients, improving crop nutrient conditions and increasing soil fertility. The bacterial fertilizer can also be used for foliar spraying, rooting, and the like.
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