Method used for preparing algae particle potassium fertilizer via compound microorganism fermentation

A technology of compound microorganisms and seaweed granules is applied in the field of compound microorganism fermentation to prepare seaweed granules potassium fertilizer, which can solve the problems of immature compounding process of bacteria and chemical fertilizers, rapid decline of microbial counts, rotten and rotten seedlings and rotten roots of microorganisms, and achieves environmental protection. The effect of improving performance and fertilizer efficiency, improving environmental adaptability, and extending shelf life

Inactive Publication Date: 2017-03-15
WUZHOUFENG AGRI SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The research and development model of this type of fertilizer in my country is still relatively traditional, and the equipment and technology are insufficient. It still has not become the main body of innovation in functional synergistic fertilizers. , leading to a large amount of added bacteria and a low survival rate; 2) traditional microbial fertilizers use a large amount of organic matter as fillers, resulting in a large number of miscellaneous bacteria during storage, with a high rate of miscellaneous bacteria, and incomplete decomposition of microorganisms will lead to burning seedlings and rotten roots; 3) During the storage of fertilizers, the amount of microorganisms decreases rapidly, the shelf life is short, and the number of effective viable bacteria is low; 4) The vitality of the bacteria used is not strong, and it is difficult to fight against the original microorganisms in the soil and gradually die and fail; 5) The treatment of seaweed Immature process causes damage and loss of active substances

Method used

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  • Method used for preparing algae particle potassium fertilizer via compound microorganism fermentation
  • Method used for preparing algae particle potassium fertilizer via compound microorganism fermentation
  • Method used for preparing algae particle potassium fertilizer via compound microorganism fermentation

Examples

Experimental program
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Effect test

Embodiment 1

[0035] 1) Preparation of product A: Wash and remove fresh kelp and sargassum (mass ratio: 1:1), soak for 20 hours, grind, transfer to a fermenter, sterilize at 110°C for 30 minutes, and cool to 20°C get product A;

[0036] 2) Prepare seed solution: activate and expand Bacillus cereus to prepare Bacillus cereus seed solution X; activate and expand Bacillus megaterium to prepare Bacillus megaterium seed solution Y; activate and expand Bacillus amyloliquefaciens Cultivate to prepare Bacillus amyloliquefaciens seed solution Z;

[0037] The medium formula of described Bacillus cereus activation and expansion cultivation is: soybean meal powder 20g, yeast extract 6g, sodium alginate 1.2g, bovine bile salt 0.05g, potassium dihydrogen phosphate 0.04g, sodium chloride 0.2g, Magnesium sulfate 0.2g, mannitol 9.5g, water 1000mL, adjust pH 6.8-7.0, expansion culture conditions: 33°C for 20h.

[0038] The medium formula for the activation and expansion of Bacillus megaterium is: sweet pot...

Embodiment 2

[0048] 1) Preparation of product A: Wash fresh copper algae, remove impurities, soak for 24 hours, refine, transfer to a fermenter, sterilize at 120°C for 15 minutes, and cool to 20°C to obtain product A;

[0049] 2) Preparation of seed liquid: the operation method is the same as in Example 1.

[0050] 3) Preparation of product B: Inoculate seed solution X into product A, the amount of seed solution X is 12% of the quality of product A, the fermentation temperature is 32°C, the pH value of the reaction is adjusted to 6.6 with an acid-base regulator, and the dissolved oxygen is controlled At 25%, the rotating speed is 180r / min, the ventilation rate is 850L / min, the pressure of the fermenter should be maintained at 0.03Mpa, and the fermentation time is 21h, to obtain product B;

[0051] 4) Preparation of product C: adjust the pH of product B to 4.5, cool the temperature in the fermenter to 4°C, store for 1 day, and then return the temperature to 25°C to obtain product C;

[005...

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Abstract

The invention relates to a method used for preparing an algae particle potassium fertilizer via compound microorganism fermentation. The method comprises following steps: fresh marine algae plants are subjected to washing, impurity removing, immersing, and pulping so as to prepare seed fermentation broth of fermentative strain respectively; an algae base material is inoculated with the seed fermentation broth in a plurality of times so as to realize fractional fermentation; a fermentation product is prepared into an algae functional microbial inoculum further; mild impact pelletizing is adopted to realize combination the algae functional microbial inoculum with chemical fertilizer raw materials so as to obtain the algae synergistic-effect potassium fertilizer particle rich in algae extract and special-effect composite fermentative strain. It is shown by experiment that the technical effect of the compound fractional fermentation is better than that of single strain fermentation, and the fertilizer effect of the algae functional potassium fertilizer is obviously better than that of conventional potassium fertilizer products.

Description

technical field [0001] The invention belongs to the field of agricultural fertilizers, and in particular relates to a method for preparing seaweed granular potassium fertilizer by compound microorganism fermentation. Background technique [0002] Excessive application of chemical fertilizers has caused a series of serious problems such as soil structure damage, reduction of natural biodiversity and ecosystem stability, eutrophication of rivers and lakes, and decline in the quality of agricultural products. Most of the potash fertilizers currently on the market are compounded with chemical fillers and lack functional synergistic ingredients. The compound fertilizers and blended fertilizers prepared from this raw material cannot bring any benefits to the improvement of the soil environment and the sustainable development of agriculture. A vicious circle will form. The development of modern agriculture and the realization of sustainable agricultural development will inevitably...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N1/20C12R1/07C12R1/085C12R1/11C05F11/08C05G3/04C05G3/80
CPCC05D1/02C05F11/08C12N1/20C05G3/80
Inventor 王学江李峰张志凯
Owner WUZHOUFENG AGRI SCI & TECH
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