A kind of compound microbial organic fertilizer and preparation method thereof

Abstract

The invention relates to a composite microbial organic fertilizer which is prepared from the following steps: drying pueraria root residues to the moisture content of 20-30 percent, and grinding to obtain the powdered pueraria root residue; uniformly mixing mushroom culture medium wastes and the powdered pueraria root residue to obtain a mixture I; uniformly spraying a 1-2 percent enzyme microorganism aqueous solution onto the mixture I, storing at the temperature of 55-65 DEG C for 7-10 days, thereby obtaining a mixture II, wherein the weight ratio of the powdered pueraria root residue to mushroom culture medium wastes to the enzyme microorganism is (200-300):(400-600):1; adding bacillus megatherium (Bacillus megatherium) thallus into the mixture II, uniformly mixing, performing solid fermentation at the temperature of 20-30 DEG C, fermenting for 2-3 days, and performing pile turning once, thereby obtaining a mixture III, wherein the amount of the bacillus megatherium thallus is 2-3 percent of the weight of the mushroom culture medium wastes; and airing the mixture III, thereby obtaining the composite microbial organic fertilizer. The experimental result proves that the problem that the agricultural product processing wastes cannot be reutilized is solved, and the composite microbial organic fertilizer serves as a cotton fertilizer. Compared with the conventional fertilizer, the composite microbial organic fertilizer has the advantages that the cotton yield can be greatly improved, and the incidence rate of cotton fusarium wilt is reduced.

Description

Technical field [0001] The invention relates to a composite microbial organic fertilizer and a preparation method thereof. Background technique [0002] my country is already the largest fertilizer producer in the world. Although the arable land area is less than 10% of the world's total, my country's chemical fertilizer application is close to 1 / 3 of the world's total, ranking fourth in the world, but excessive use of chemical fertilizers has caused great harm to our country. [0003] Excessive use of chemical fertilizers not only rapidly reduces soil fertility and seriously affects crop quality, but also causes the loss of pollutants, destroys the ecological environment, and endangers human health due to chemical residues. At the same time, it further aggravates the problem of energy shortage in our country. [0004] With the popularization of modern agricultural technology, more and more people have realized that excessive application of chemical fertilizers will cause a...

AI Technical Summary

Problems solved by technology

However, the production of kudzu powder will produce a large amount of kudzu root residue, which is a kind of fibrous waste, which is difficult to degrade under natural conditions. If it is discarded, it will waste resources and cause environmental pollution.