Biological organic fertilizer for aquaculture and preparation method thereof

Abstract

The invention discloses a biological organic fertilizer for aquaculture and a preparation method thereof. The biological organic fertilizer is prepared by the following materials in parts by weight: 10 to 80 parts of special organic fertilizer, 0.8 to 20 parts of auxiliary materials, and 1 part of fermenting agent. The biological organic fertilizer has the advantages that the special organic fertilizer for aquaculture is prepared by the fermentation of chicken manure, duck manure, pigeon manure and other auxiliary materials through the biological fermentation technique, and aims at the problems of existing shortage of domestic protein feed resources, a large feeding amount of aquaculture protein feed, high cost, easy pollution to culture water by remained feed and manure of aquatic animals, and the like; the organic fertilizer can be fed to the aquatic animals or be used as the culture medium to culture diatom and spirulina in an oriented way in the aquaculture process, the harmful matters in water are converted into the harmless sub-structure, and a large amount of oxygen is released, so that the aquaculture water is purified, a large amount of foods is provided for the cultured animals, and the feeding amount of protein feed is reduced.

Description

technical field [0001] The invention belongs to the fields of resource environment and biotechnology, and in particular relates to a bio-organic fertilizer for aquaculture and a preparation method thereof. Background technique [0002] Protein resources are the foundation of the feed industry, and the shortage of protein feed has become a prominent problem in the development of the feed industry. At present, the domestic feed demand is 150 million tons per year, and about 37.5 million tons of protein raw materials are needed, 70% of which depend on imports. Not only that, with the development of the feed industry, the demand for protein raw materials also increases proportionally. [0003] At present, most farmers use chemicals and minerals (fertilizers, chemical water improvers, mineral bottom reformers, disinfectants, insecticides) to deal with the traditional farming model of aquaculture water (this mode of fat pond method is generally used Fertilizer mixed with some ba...

AI Technical Summary

Problems solved by technology

[0004] The present invention aims at the present situation of shortage of protein feed resources in my country, and the problems of aquaculture protein feed being put in too much, high cost, and residual feed and aquatic animal excrement are easy to pollute the aquaculture water. The present invention adopts the principle of biotechnology to provide an aquaculture The bio-organic fertilizer used and the preparation method thereof can convert the ammonia, nitrogen, nitrous acid in the breeding water and the waste discharged by the aquatic animals into the wastes that can be consumed by the aquatic animals by using the beneficial microbial strains or strain combinations in the fermented organic fertilizer. The characteristics of the absorbed small molecule nutrients or harmless substructure form a microbial circulation system during the breeding process, form dominant strains, inhibit the reproduction of pathogenic bacteria, purify water quality, and avoid secondary pollution caused by the use of chemical fertilizers in traditional methods