Microbial fertilizer is a new type of fertilizer that is different from chemical fertilizers and organic fertilizers. It is a type of microbial living product that uses microbial life activities and their products to cause crops to have specific fertilizer effects. That is to say, the inclusion of microorganisms with specific functions is an essential feature of microbial fertilizer products. At present, China's microbial fertilizer products are divided into three categories: agricultural microbial agents, bio-organic fertilizers and compound microbial fertilizers.
The corresponding standards are GB20287-2006 "Agricultural Microbial Agent", NY884-2012 "Bio-organic Fertilizer" and NY/T798-2004 "Composite Microbial Fertilizer". Among them, agricultural microbial agents (referred to as microbial agents, or commonly known as functional fungi) are subdivided into rhizobial fungi, nitrogen-fixing bacteria, phosphate-dissolving microbial agents, and silicate microbial bacteria according to the microbial species or functional characteristics contained therein. Agents, photosynthetic bacteria agents, organic material decomposers, growth-promoting agents, mycorrhizal agents, bioremediation agents and other varieties.
Due to the variety and variety of microorganisms, microbial fertilizers have diverse functions. In the agricultural industry standard NY/T1847-2010, the functions of microbial fertilizers are summarized as providing or activating nutrients, producing active substances for promoting crop growth, promoting the maturity of organic materials, improving the quality of agricultural products, enhancing crop stress resistance, and improving and repairing soils. Aspects.
For a microbial fertilizer product, it is impossible to have all the functions listed above, with one or two functions being the main ones. Therefore, we should select microbial fertilizer products with different functions according to our target requirements, and pay attention to the applicable crops and geographical scope, in order to exert the efficacy and characteristics of the products, and realize its irreplaceable role in the sustainable development of agriculture in China. .
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