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Controlled-release fertilizer special for rice and produced by monosodium glutamate mother solution

A technology of special fertilizer and mother liquid, applied in the direction of application, fertilization device, fertilizer mixture, etc., can solve the problems of not being fully suitable for rice use, etc., and achieve the effect of improving the original single variety, significant economic benefits, and increasing yield

Inactive Publication Date: 2014-05-07
JILIN COFCO BIOCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a special fertilizer for rice with slow-release effect produced by using the monosodium glutamate mother liquor to solve the problem that the compound fertilizer cannot be fully applied to rice when the monosodium glutamate mother liquor is used to produce the fertilizer

Method used

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  • Controlled-release fertilizer special for rice and produced by monosodium glutamate mother solution
  • Controlled-release fertilizer special for rice and produced by monosodium glutamate mother solution
  • Controlled-release fertilizer special for rice and produced by monosodium glutamate mother solution

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] (1) Utilize activated Bacillus licheniformis strains for fermentation and cultivation. During the fermentation and cultivation process, the slant strains are firstly cultured with liquid seeds, and then fermented and cultivated in the fermentation medium with 10% inoculum; the culture conditions, Shaking culture at pH 7.0, temperature 30°C, and aerobic conditions: 150r / min, adding glucose and monosodium glutamate mother liquor during the fermentation process, so that the concentrations of glucose and glutamic acid were maintained at 10g / L, and the fermentation time was 48h;

[0015] (2), concentrating the monosodium glutamate mother liquor containing γ-PGA in step (1) to a dry matter content of 40%;

[0016] (3), adjusting the pH value of the monosodium glutamate mother liquor concentrate containing γ-PGA obtained in step (2), adding 1% ammonium bicarbonate to it to make the pH value 6.2;

[0017] (4), add NH-containing to step (3) 4 + , P, K components, so that N acc...

Embodiment 2

[0020] (1) Utilize activated Bacillus licheniformis strains for fermentation and cultivation. During the fermentation and cultivation process, the slant strains are firstly cultured with liquid seeds, and then fermented and cultivated in the fermentation medium with 10% inoculum; the culture conditions, Shaking culture at pH 7.2, temperature 35°C, and aerobic conditions: 200r / min, adding glucose and monosodium glutamate mother liquor during the fermentation process, so that the concentrations of glucose and glutamic acid were maintained at 12.5g / L, and the fermentation time was 60h;

[0021] (2), concentrating the monosodium glutamate mother liquor containing γ-PGA in step (1) to a dry matter content of 40%;

[0022] (3), adjusting the pH value of the monosodium glutamate mother liquor concentrate containing γ-PGA obtained in step (2), adding 2% ammonium bicarbonate to it to make the pH value 6.3;

[0023] (4), add NH-containing to step (3) 4 + , P, K components, so that N a...

Embodiment 3

[0026] (1) Utilize activated Bacillus licheniformis strains for fermentation and cultivation. During the fermentation and cultivation process, the slant strains are firstly cultured with liquid seeds, and then fermented and cultivated in the fermentation medium with 10% inoculum; the culture conditions, Shaking culture at pH 7.4, temperature 40°C, and aerobic conditions: 250r / min, adding glucose and monosodium glutamate mother liquor during the fermentation process, so that the concentrations of glucose and glutamic acid were maintained at 15g / L, and the fermentation time was 72h;

[0027] (2), concentrating the monosodium glutamate mother liquor containing γ-PGA in step (1) to a dry matter content of 40%;

[0028] (3), adjusting the pH value of the monosodium glutamate mother liquor concentrate containing γ-PGA obtained in step (2), adding 3% ammonium bicarbonate to it to make the pH value 6.4;

[0029] (4), add NH-containing to step (3) 4 + , P, K components, so that N acc...

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Abstract

The invention relates to a controlled-release fertilizer special for rice and produced by monosodium glutamate mother solution, belonging to the fertilizer special for rice. Bacillus licheniformis is used for fermenting the monosodium glutamate mother to produce gamma-PGA (polyglutamic acid), NH4<+>, and P and K with certain proportion are added as required by rice, therefore, the controlled-release fertilizer special for rice is produced. The controlled-release fertilizer special for rice has the effects that as the ratio of nitrogen, phosphorus and potassium is reasonable, the amount of the fertilizer can be reasonably controlled to be applied according to the yield of rice and the nutrients can be reasonably supplied in balance according to the requirements of the rice for the fertilizer in different growth periods, the rice can grow vigorously, the percentage of earbearing tiller is improved, the spikelet number per panicle is increased, the maturing rate is improved, and the yield is increased; besides, the production cost is reduced, the fertilizer is convenient to use and can achieve the effects of increasing yield and income and synergism, therefore, the controlled-release fertilizer is the ideal fertilizer for rice.

Description

technical field [0001] The invention belongs to a special fertilizer for rice, in particular to the special fertilizer for rice produced by using monosodium glutamate mother liquor. Background technique [0002] my country is a big producer of monosodium glutamate, and its annual output ranks first in the world. For every ton of monosodium glutamate produced, 20 to 25 tons of high-concentration organic waste liquid, that is, monosodium glutamate mother liquor, must be discharged. Monosodium glutamate mother liquor refers to the waste liquid discharged after isoelectric separation and extraction of glutamic acid during the production of monosodium glutamate in the monosodium glutamate factory. When domestic monosodium glutamate factories extract glutamic acid from fermentation broth, they generally do not separate the bacteria first, but directly extract glutamic acid from the fermentation broth and its concentrate containing bacteria and protein, and more and more domestic m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00
Inventor 王宏龄吴延东关阳关兵范春艳武丽达丛泽峰王强金贞花韩文静吴杰王洁闫寒
Owner JILIN COFCO BIOCHEM
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