Trough fermentation method of mushroom residue-based organic fertilizer

Abstract

The invention relates to the technical field of fertilizer fermentation, and especially relates to a trough fermentation method of a mushroom residue-based organic fertilizer. The method comprises the steps of (1) fermentation raw material preparation, (2) trough fermentation, (3) stack retting fermentation, (4) crushing and sieving, and (5) subsequent composting fermentation process. With the method provided by the invention, the obtained organic fertilizer has the advantages of high composting degree, no significant odor, high nutrient content, short fermentation period, convenient operation process, and the like. The organic fertilizer provided by the invention has humification coefficient higher than 80%, and total nutrient content higher than 5.8%. In comparison, an organic fertilizer prepared with conventional fermentation method only has humification coefficient of approximately 50% and total nutrient content lower than 5.0%. The fertilizer provided by the invention has a better quality. The fermentation time needed by the fertilizer for reaching a degree equal to the humification coefficient of 50% can be shortened by 30-35 days than that of the conventional fermentation methods, such that the method provides a better economic benefit.

Description

technical field [0001] The invention relates to the technical field of fertilizer fermentation, in particular to an organic fertilizer tank-type fermentation method based on fungus residue. Background technique [0002] China is a big country in the production of edible fungi. The annual output of edible fungi in China accounts for more than 70% of the world's annual output. Every year, a large amount of fungi residues are produced after harvesting edible fungi. Most of the fungus residues are discarded or incinerated as waste, especially in the In rural areas, the phenomenon of random stacking of waste fungal residues is serious, which is likely to cause environmental pollution and the spread of diseases. The treatment of waste fungal residues has become an urgent problem to be solved. [0003] Mushroom residue is the waste medium left after the cultivation of edible fungi, and its main components include cellulose, lignin, hemicellulose, bacterial protein, vitamins and min...

AI Technical Summary

Problems solved by technology

[0004] Chinese patent CN104788151A mixes fungus residue and cow dung to prepare compound organic fertilizer through two fermentations, which effectively solves the problem of full utilization of waste and organic fertilizer for crops; patent CN101412642B mixes edible fungus residue and livestock manure to prepare organic fertilizer , using the method of preparing original bacterial agent and fermentation bacterial agent for one-time fermentation treatment to produce organic fertilizer; patent CN1245356C uses edible fungus residue, livestock manure, etc. as raw materials, and uses two fermentation methods to prepare bio-organic fertilizer, which can kill a large number of Harmful bacteria and odor elimination, but there are too many sections in the tank fermentation tank, each section must strictly control the time, temperature and water content, and the production process is more complicated

[0005] Although the prior art has solved the problem of resource utilization and composting of fungus slag well, it has not mentioned the decomposing degree of organic fertilizer. The decomposing degree of the organic fertilizer is closely related to the quality of the fertilizer. Therefore, there is an urgent need for an organic fertilizer fermentation method that can be deeply decomposed, has a simple preparation process, and has a short fermentation period.

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