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Composite microbial fertilizer and low temperature embedding preparation method thereof

A compound microorganism and low-temperature granulation technology, applied in the direction of organic fertilizers, etc., can solve the problems of difficulty in maintaining compatibility ratio and functional complementarity, failure to achieve granulation goals, and reduction of use effects.

Inactive Publication Date: 2013-06-19
沈阳科丰牧业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the high temperature of traditional granulation will have a great impact on it, especially when compound microbial granulation, due to the different tolerance of different microorganisms to the environment, the degree of activity decline is different, and the products after granulation are often difficult to maintain. The original compatibility ratio and functional complementarity greatly reduce the use effect and fail to achieve the established granulation goal

Method used

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  • Composite microbial fertilizer and low temperature embedding preparation method thereof
  • Composite microbial fertilizer and low temperature embedding preparation method thereof
  • Composite microbial fertilizer and low temperature embedding preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A kind of compound microbial fertilizer, is made up of compound microbial fermented product, embedding agent and adhesive powder, by weight percentage, compound microbial fermented product is 50%, embedding agent is 45%; 5%.

[0020] Preparation:

[0021] 1) Activate and culture Candida utilis, Streptococcus lactis, Lactobacillus acidophilus and Bacillus subtilis respectively according to conventional methods to the logarithmic growth phase, and then the activated Candida utilis, Streptococcus lactis, and Bacillus subtilis Lactobacillus acidiformis and Bacillus subtilis are mixed according to the volume ratio 1:1:1:1, and then the mixed strains are inoculated in the liquid fermentation medium according to 4% by weight for compound culture, and at 30°C, ferment and cultivate for 70h, and ferment The pH value of the substance is 4.5-7.5, until the total number of bacteria reaches more than 109 / mL; the liquid fermentation medium is 2% glucose, 1% peptone, 1% beef extract,...

Embodiment 2

[0042] A kind of compound microbial fertilizer, is made up of compound microbial fermented product, embedding agent and adhesive powder, by weight percentage, compound microbial fermented product is 70%, embedding agent is 25%; 5%.

[0043] Preparation:

[0044] 1) The combined culture of Candida utilis, Streptococcus lactis, Lactobacillus acidophilus, and Bacillus subtilis that were co-fermented until the total number of bacteria reached more than 109 / mL, and the slow-growing cultures that were cultured separately to the logarithmic growth phase Soybean Rhizobium, Azospirillum lipogenicum, Rhodopseudomonas palustris, Bacillus megaterium, Bacillus colloidus and Azotobacter rufosa are mixed to obtain the fermented product of complex microorganisms, the mixing ratio is 40% of the co-fermented product, and monoculture Bacteria accounted for 10% each.

[0045] 2) Prepare embedding agent, dissolve 2% sodium alginate, 1% starch, and 2% gelatin in water to make a mixed solution, an...

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Abstract

The invention relates to the field of bio-fertilizer, in particular to a composite microbial fertilizer and a low temperature embedding preparation method thereof. The composite microbial fertilizer contains a leavening of a composite microbe, an embedding medium and bonding powder; and the leavening, the embedding medium and the bonding powder are embedded in a low temperature plasmid and dried to obtain the composite microbial fertilizer; the composite microbial fertilizer contains the following components in percentage by weight: 50-70% of the leavening of the composite microbe, 25-45% of the embedding medium and 3-8% of the bonding powder, wherein the raw materials are pelletized at a low temperature of 8-20 DEG C and dried at a low temperature of 10-20 DEG C; and the leavening of thecomposite microbe is obtained by compounding a coculturing material of Candida utilis, Lactococcus lactis, Lactobacillus acidophilus and bacillus subtilis with a single culture solution of Bradyrhizobium japonicum, Azospirillum lipoferum, Rhodopseudomonas palustris, Bacillus megaterium, Bacillus mucilaginosus and Azotobocter chroococcum. The fertilizer provided by the invention is prepared in a dry state so that the activity of the microbe can be kept at more than 90% and the quality guarantee period reaches more than 18 months.

Description

technical field [0001] The invention relates to the field of biological fertilizers, in particular to a compound microbial fertilizer and a preparation method thereof for low-temperature embedding. Background technique [0002] Microbial products are made into granular products through granulation technology, which has many advantages such as improving product preservation, storage and transportation, and is convenient for use and circulation in production. However, the traditional granulation process causes great damage to the microbial activity during the granulation and drying process, which will greatly reduce the use effect of microbial products. Therefore, the development of granulation technology that efficiently maintains microbial activity is of great significance to the production of microbial products. [0003] Studies have shown that different types of microorganisms have different tolerances to granulation temperature. For example, Lactobacillus is relatively f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05F11/08
Inventor 高林白子金贾卿潘秀东徐斌龙邢迪王守峰单立秋陈思张焕郐永琳赵宪娟宋良敏孙艳娇邢超
Owner 沈阳科丰牧业科技有限公司
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