Strain and production technology of bio organic fertilizer

2020-10-26

Strains for production

The quality of bio organic fertilizer mainly depends on the action intensity of probiotics and the number of living bacteria. In other aspects, we meet the equipments required for biofertilizer production. At present, in the production of bio organic fertilizer, bacteria with strong activity, high temperature resistance, high permeability and drought resistance are usually used, and the interaction between various bacterial agents should be considered in the production process, and can not be mixed at will.
According to the role of microorganisms in production, it can be divided into fermentation bacteria and functional bacteria. Fermentation bacteria are mostly composed of composite bacteria, which have the functions of promoting the decomposition, maturity and deodorization of materials. Commonly used bacteria include yeast, photosynthetic bacteria, lactic acid bacteria, actinomycetes, penicillium, Trichoderma, Rhizopus, etc.; functional bacteria are Refers to microorganisms that can exert specific fertilizer effects in products, mainly nitrogen-fixing bacteria, phosphate-dissolving bacteria, silicate bacteria, etc., which are added after the materials are decomposed.


Production technology

The production of bio-organic fertilizer mainly includes the fermentation process of fermentation bacteria to promote the maturity of materials, the secondary fermentation process of adding functional bacteria and the finished product processing process. The final finished product processing process is similar to the NPK fertilizer manufacturing process. The complete maturation of materials through fermentation is a key link in the entire production. In the fermentation maturity stage, most companies adopt the tank-type stacking fermentation method. Process parameters such as moisture, C/N ratio, temperature, pH, and ventilation directly affect the maturity of the material and the fermentation cycle.
After the material is completely decomposed, nitrogen fixing bacteria, phosphate solubilizing bacteria, potassium dissolving bacteria and other complex functional bacteria are added for secondary fermentation. By controlling the fermentation conditions, the number of beneficial living bacteria in the product is increased, so as to enhance the fertilizer efficiency of bio organic fertilizer. At the end of fermentation, in order to improve the commodity of the product and ensure the survival rate of beneficial microorganisms in the product, it is better to granulation by disc granulator machine and then dry at low temperature.
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