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Microbial coating auxiliary

A technology of microbial coating and additives, applied in fertilizer mixtures, layered/coated fertilizers, fertilization devices, etc., can solve the problems of poor microbial adhesion, short shelf life, high powder removal rate, and achieve high coating efficiency. , the effect of long shelf life and low powder removal rate

Inactive Publication Date: 2016-06-01
SHENZHEN BATIAN ECOTYPIC ENG
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The above-mentioned microbial-coated slow-release compound fertilizer has complex components, and the preparation method is cumbersome, and the microorganisms have poor adhesion to the compound fertilizer, high powder removal rate, low coating efficiency and product stability, and the product has a short shelf life. The effective utilization rate of the microbial coating slow-release compound fertilizer is low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Example 1, Comparative Example 1-1, and Comparative Example 1-2 respectively mixed polyethylene glycol, organic solvent and formamide according to the raw materials and their dosages in Table 1 to prepare corresponding microbial coating aids.

Embodiment 2

[0037] Embodiment 2, Comparative Example 2-1, and Comparative Example 2-2 are respectively according to the raw materials in Table 1 and the consumption thereof firstly yeast extract powder, brown sugar and yeast fermentation waste liquid spray-dried powder are mixed, then add polyethylene glycol, organic The solvent and formamide are uniformly mixed to prepare the corresponding microbial coating aid.

[0038] Adopt following method to prepare microbial fertilizer, specifically comprise the following steps:

[0039] (1) the microbial coating aid in each embodiment and comparative example and microbial dry powder are respectively made slurry by the consumption in table 2 correspondingly;

[0040] (2) Spray the slurry onto the surface of the fertilizer. When the slurry is sprayed onto the surface of the fertilizer, the temperature of the system is 40° C., and the spraying time is 10 minutes to obtain the microbial fertilizers of the various examples and comparative examples.

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Abstract

The invention discloses a microbial coating auxiliary. The microbial coating auxiliary comprises a hydrophilic organic solvent, a dispersing agent, a suspension auxiliary agent and an organic mixer. A weight ratio of the hydrophilic organic solvent, the dispersing agent to the suspension auxiliary agent is (35-45):(1-2):(1-2), and a weight ratio of the hydrophilic organic solvent to the organic mixer is (35-45):(26-62). The microbial coating auxiliary has the advantages that adoption of the hydrophilic organic solvent for preparation of the microbial coating auxiliary is realized, so that the problem that water fails to serve as the coating auxiliary for some microbial fertilizers is solved; high coating efficiency and low powder rate are realized; prepared microbial fertilizers are long in shelf life and improved in appearance.

Description

technical field [0001] The invention belongs to the field of fertilizers, and in particular relates to a microbial coating aid. Background technique [0002] CN201210478807.7 discloses a microbial coating agent for preparing microbial composite fertilizers, the coating agent is made of curing agent, grease, surfactant and microbial culture ratio; the curing agent is montan wax, Its content accounts for 8% of the total mass of the coating agent in terms of weight percentage; the oil is vegetable blended oil, and its content accounts for 48% of the total mass of the coating agent in weight percentage; the surfactant is fatty acid polyoxyethylene Amines, whose content accounts for 4% of the total mass of the coating agent in terms of weight percentage; the microbial culture is the bacterial powder that contains 25 billion / gram biocontrol Trichoderma spores, and its content accounts for the total mass of the coating agent in terms of weight percentage Based on the content of th...

Claims

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Application Information

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IPC IPC(8): C05G3/00
CPCC05G3/00C05G5/30
Inventor 穆光远杜怡然黄春燕韦春近
Owner SHENZHEN BATIAN ECOTYPIC ENG