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Detailed explanation of the important stages of the bio-organic fertilizer fermentation process
2019-11-11
High-quality biofertilizer project production must go through two stages: aerobic fermentation stage and anaerobic fermentation stage
First, aerobic fermentation stage:
Aerobic fermentation is the initial stage of organic fertilizer production. It mainly reduces the water content of raw materials (livestock and poultry manure, organic materials), eliminates foul odor, and kills pathogens, mites and other harmful organisms through high temperature action of 55 °C-70 °C for more than 5 days. It kills weed seeds and initially decomposes macromolecular organic matter such as fiber, protein and polysaccharide through the activity of aerobic microorganisms. This process can be turned over using a compost turner machine to increase the amount of oxygen in the ventilation and accelerate the fermentation process.
Through the aerobic fermentation stage, the fertilizer has reached the national standard in physiological and biochemical indexes, and can be marketed and sold legally, but it is not a real organic fertilizer. To become a real organic fertilizer, it must undergo an anaerobic fermentation process.
The role of aerobic fermentation:
1. Eliminate stench;
2. Reduce moisture;
3. Kill harmful organisms such as pathogens, mites, weed seeds;
4. Preliminary degradation of cellulose, protein, polysaccharides and other macromolecules have substances.
Second, the anaerobic fermentation stage:
After the raw materials undergo aerobic fermentation, the physiological and biochemical indicators can meet the national standard requirements, and the water content will be less than 30%. However, most of the macromolecular organic matter in the fertilizer has not been decomposed at this time. If it is used, the phenomenon of "burning seedling" occurs because the macromolecule continues to decompose and generate heat. Therefore, it is necessary to undergo an anaerobic fermentation stage, under the action of anaerobic microorganisms, macromolecular organic substances such as cellulose, protein, polysaccharide, etc. can be completely decomposed into monosaccharides, amino acids and the like which can be directly absorbed and utilized by plant roots; The more important thing is the formation of humic acid, which makes the organic fertilizer truly a full-price fertilizer rich in nitrogen, phosphorus, potassium, organic matter, humic acid and medium and trace elements.
Anaerobic fermentation:
1. Completely decompose macromolecular organic substances such as cellulose, protein and polysaccharide into monosaccharides and amino acids;
2. Formation of humic acid.
First, aerobic fermentation stage:
Aerobic fermentation is the initial stage of organic fertilizer production. It mainly reduces the water content of raw materials (livestock and poultry manure, organic materials), eliminates foul odor, and kills pathogens, mites and other harmful organisms through high temperature action of 55 °C-70 °C for more than 5 days. It kills weed seeds and initially decomposes macromolecular organic matter such as fiber, protein and polysaccharide through the activity of aerobic microorganisms. This process can be turned over using a compost turner machine to increase the amount of oxygen in the ventilation and accelerate the fermentation process.
Through the aerobic fermentation stage, the fertilizer has reached the national standard in physiological and biochemical indexes, and can be marketed and sold legally, but it is not a real organic fertilizer. To become a real organic fertilizer, it must undergo an anaerobic fermentation process.
The role of aerobic fermentation:
1. Eliminate stench;
2. Reduce moisture;
3. Kill harmful organisms such as pathogens, mites, weed seeds;
4. Preliminary degradation of cellulose, protein, polysaccharides and other macromolecules have substances.
Second, the anaerobic fermentation stage:
After the raw materials undergo aerobic fermentation, the physiological and biochemical indicators can meet the national standard requirements, and the water content will be less than 30%. However, most of the macromolecular organic matter in the fertilizer has not been decomposed at this time. If it is used, the phenomenon of "burning seedling" occurs because the macromolecule continues to decompose and generate heat. Therefore, it is necessary to undergo an anaerobic fermentation stage, under the action of anaerobic microorganisms, macromolecular organic substances such as cellulose, protein, polysaccharide, etc. can be completely decomposed into monosaccharides, amino acids and the like which can be directly absorbed and utilized by plant roots; The more important thing is the formation of humic acid, which makes the organic fertilizer truly a full-price fertilizer rich in nitrogen, phosphorus, potassium, organic matter, humic acid and medium and trace elements.
Anaerobic fermentation:
1. Completely decompose macromolecular organic substances such as cellulose, protein and polysaccharide into monosaccharides and amino acids;
2. Formation of humic acid.