Knowledge Point 1 on Organic Fertilizer Fermentation
Carbon to Nitrogen Ratio
Generally, the carbon to nitrogen ratio of a fermentation product is as follows
In the process of fermenting livestock and poultry manure, the carbon to nitrogen ratio is too low, and other adjuvants need to be added to adjust it. Adding adjuvants also has a high moisture content in fresh manure. Adding adjuvants can also adjust the moisture content of the fermentation product. During the fermentation process, it is necessary to ensure that the carbon to nitrogen ratio reaches 25:1-30:1. Carbon is the basic energy source of organisms and the basic raw material that constitutes the structure of microbial cells. Organic fertilizer fermentation The process is actually the decomposition and mineralization of organic components by microorganisms. While decomposing carbon containing organic matter, microorganisms use some nitrogen elements to construct their own cell structure. Nitrogen is also an important component of proteins, nucleic acids, and various enzymes. In general, the proliferation of a cell requires 25 carbon elements and one nitrogen element. If the carbon to nitrogen ratio is too high, the nitrogen element required for microbial growth and reproduction is limited, the speed of microbial reproduction slows down, the decomposition rate of organic matter also slows down, the fermentation time increases, the degree of organic fertilizer decomposition is low, and the fermentation is incomplete; If the carbon to nitrogen ratio is too low, the energy source for microbial growth and reproduction is constrained, so the temperature of the fermentation pile rises slowly, nitrogen elements cannot be converted normally, and are released in the form of ammonia, resulting in increased odor and inability to convert organic ammonia. Therefore, a reasonable carbon to nitrogen ratio is the key to rapid and efficient fermentation
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