Multielement functional bio-organic fertilizer
A technology of organic fertilizers and sexual organisms, which is applied in the field of agriculture, can solve the problems of less consideration of nutrition of multiple mineral elements, etc., and achieve the effects of stimulating healthy growth of plants, increasing the number and activity, and improving soil organic matter
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[0055] The preparation method of the composite microbial agent may be to mix the above-mentioned microbial powders in proportion. Each of the microbial powders can be prepared according to conventional methods in the art. For example, the original strains of each of the microorganisms are subjected to slant culture, shaker culture, fermenter culture and / or solid fermentation spore production in sequence under sterile conditions. The obtained fermentation product is dried and prepared into microbial powder.
[0056] Such as figure 1 Shown, the preparation method of multi-functional bio-organic fertilizer comprises the following steps:
[0057] 1) crushing crop stalks;
[0058] 2) The pulverized straw is fully mixed with animal manure and composite bacteria;
[0059] 3) carry out fermentation;
[0060] 4) The mineral materials are mixed, and calcined at a high temperature of 900-1500°C for 5-20 hours, and then crushed through a 60-150 mesh sieve after cooling;
[0061] 5) d...
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