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Biological compound potash fertilizer and preparation method thereof

A technology of compound potash fertilizer and biological potash fertilizer is applied in the field of fertilizers, which can solve the problems of limited amount of chemical fertilizer added, difficult survival of effective active bacteria, inability to fully satisfy crop growth, etc., and achieve the effect of excellent technical effect.

Active Publication Date: 2013-10-16
SHAANXI GENGYUAN ECOLOGICAL AGRI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, it is difficult for effective active bacteria to survive in ternary compound fertilizers
Among them, the amount of chemical fertilizer added is obviously limited, so that it cannot fully meet the needs of crop growth.

Method used

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  • Biological compound potash fertilizer and preparation method thereof
  • Biological compound potash fertilizer and preparation method thereof
  • Biological compound potash fertilizer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Embodiment 1 solid-state fermentation prepares biological compound potassium fertilizer (1)

[0031] 1) Preparation of fermentation bottom material

[0032] The potassium feldspar of 1 weight part, the agricultural and sideline processing waste of 5 weight parts (edible fungus slag, shrimp shell, bran, distiller's grains are mixed according to the ratio of 4:1:1:1), 0.5 weight part of flour, sulfuric acid The mixture of ammonium and MgSO4 (the weight ratio of flour, ammonium sulfate and MgSO4 is 100:10:1), and 10 parts by weight of water are respectively sterilized in a rotary steamer at 100° C. for 30 minutes, mixed evenly, and fermented Primer.

[0033] 2) Seed preparation

[0034] Inoculate Bacillus circulans CGMCC No.5155 in the following seed medium to obtain liquid seeds, and the number of viable bacteria is not less than 200 million / mL. The seed medium is as follows:

[0035]

[0036] 3) Preparation of biological potash fertilizer

[0037] The liquid seed...

Embodiment 2

[0045] Embodiment 2 solid-state fermentation prepares biological compound potassium fertilizer (two)

[0046] 1) Preparation of fermentation bottom material

[0047] With the montmorillonite of 5 parts by weight, the agricultural and sideline processing waste of 15 parts by weight (mixing according to the ratio of edible fungus slag, shrimp shells, corn dregs 4: 1: 2), corn flour of 5 parts by weight, ammonium sulfate and The mixture of MgSO4 (the weight ratio of flour, ammonium sulfate and MgSO4 is 100:8:0.8), and 25 parts by weight of water were sterilized at 120° C. for 30 minutes in a rotary steamer respectively, and packed into autoclavable polystyrene Acrylic plastic bags, (for example, 250g of dry materials per bag), promptly make the fermentation bottom material.

[0048] 2) Seed preparation

[0049] Inoculate Bacillus circulans CGMCC No.5155 into the seed medium to obtain solid seeds, the number of viable bacteria of which is not less than 500 million / g. The formul...

Embodiment 3

[0056] Embodiment 3 solid-state fermentation prepares biological compound potassium fertilizer (three)

[0057] 1) Preparation of fermentation bottom material

[0058] With 2 parts by weight of glauconite, 11 parts by weight of agricultural and sideline processing waste (mixed according to the ratio of edible fungus residue, shrimp shell, and bran 4:1:2), 1 part by weight of bean cake powder, ammonium sulfate and MgSO 4 (the weight ratio of flour, ammonium sulfate and MgSO4 is 100:9:0.9), and 17 parts by weight of water are sterilized in a rotary steamer at 120°C for 30 minutes, and then mixed evenly to obtain the fermentation bottom material.

[0059] 2) Seed preparation

[0060] Bacillus circulans CGMCC No.5155 was inoculated in the seed culture medium (same as in Example 1) to obtain liquid seeds with a viable count of not less than 200 million / mL.

[0061] 3) Preparation of biological potash fertilizer

[0062] Add the liquid seeds of the above-mentioned Bacillus circu...

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Abstract

The invention provides a biological compound potash fertilizer and a preparation method of the biological compound potash fertilizer. The biological compound potash fertilizer is prepared by the following steps of: fermenting pathogenic fungus CGMCC (China General Microbiological Culture Collection Center) No.5155 which resists 12.5% of potash and has chitinase activity to obtain a biological potash fertilizer; and mixing 8-15 parts of the biological potash fertilizer, 1-5 parts of dipotassium phosphate and 10-15 parts of humic acid potash fertilizer to prepare the biological compound potash fertilizer. The biological compound potash fertilizer provided by the invention is simple in preparation method, strong in product compositionality and strong in parataxis and has the functions of evenly providing nutrients, improving soil fertility, strengthening the stress resistance of crops, decreasing the crop diseases, improving the quality of agricultural products, decreasing the harmful substances in the agricultural products and the like.

Description

technical field [0001] The invention belongs to the field of fertilizers, and relates to a biological compound potassium fertilizer and a preparation method thereof. Background technique [0002] Fertilizer production and technology development are not only the core issues of agricultural production, but also related to the environment, ecology and the survival and development of human society. China is one of the largest potash fertilizer consumption countries in the world, and its potash fertilizer consumption accounts for about 20% of the world's potash fertilizer consumption. Domestic potassium fertilizer consumption is increasing year by year, with an average annual consumption growth rate of 12%. China's potash fertilizer can only meet about 30% of the domestic potash fertilizer demand, and about 5-6 million tons of potash fertilizer needs to be imported every year. With the promotion of domestic balanced fertilization technology and the adjustment of planting struct...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12N1/20C05G1/00C12R1/09
Inventor 薛胜平
Owner SHAANXI GENGYUAN ECOLOGICAL AGRI
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