Organic fertilizer and its preparing method

A technology of organic fertilizer and bacterial strain, applied in the field of organic fertilizer and its preparation, to achieve the effects of good growth, solving pollution and less one-time investment

Active Publication Date: 2005-03-02
SHANDONG TRALIN PAPER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] There is no application of using black liquor and wheat bran as raw materials to prepare organic fertilizers through microbial degradation such as white rot fungi

Method used

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  • Organic fertilizer and its preparing method

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Mix 200 grams of potatoes (peeled), 20 grams of glucose, 18 grams of agar, and 1000 milliliters of water to adjust the pH value to 7.4 to prepare a potato dextrose agar medium.

[0031] Inoculate Potato Dextrose Agar Medium with Thinporus CFCC 7005 and Saccharomyces cerevisiae AS 2.23, put the inoculated medium into a fermenter for fermentation, the temperature is controlled at 28°C, the ratio of aeration volume to liquid volume is 1.0, and the stirring speed is 250 revs / min, fermentation time is 24 hours, obtains strain liquid, and it contains 2,500,000,000 strains per milliliter.

[0032] Cool the black liquor obtained by using wheat straw as a raw material and adopting the pre-soaking cooking pulping process to 40°C, add the seed liquid according to 1 / 40 of the black liquor volume, stir well, and after mixing evenly, carry out acidification for 5 days, so that The pH value of the black liquor drops to 9.5. At this time, the color of the black liquor changes from dark...

Embodiment 2

[0034] Mix 200 grams of potatoes, 20 grams of glucose, 3 grams of potassium dihydrogen phosphate, 1.5 grams of magnesium sulfate, 10.05 mg of vitamin B, 20 grams of agar, and 1000 ml of water to prepare a potato comprehensive medium.

[0035] Inoculate the potato comprehensive culture medium with Chimosia chinensis CFCC 7126 and Saccharomyces cerevisiae AS 2.24, put the inoculated medium into the fermenter for fermentation, the temperature is controlled at 31°C, the ratio of aeration volume to liquid volume is 0.5, and the stirring speed is 150 rev / min, the fermentation time is 36 hours, and the strain liquid is obtained, which contains 1.5 billion strains per milliliter.

[0036] Cool the black liquor obtained by using wheat straw as a raw material and adopting the pre-soaking cooking pulping process to 35°C, add the bacterial seed liquid according to the amount of 1 / 35 of the black liquor volume, stir well, and after mixing evenly, carry out acidification for 10 days, so that...

Embodiment 3

[0038] 200 grams of potatoes, 20 grams of glucose, 1.5 grams of yeast extract, 20 grams of agar, and 1000 ml of water were mixed to prepare a potato yeast extract medium.

[0039] Inoculate the potato yeast extract medium with Pleiospora cellar CFCC 7026, Versicolor versicolor CFCC 7032 and Saccharomyces cerevisiae AS 2.240 and AS2.241, and put the inoculated medium into a fermenter for fermentation, and the temperature is controlled at 29°C , the ratio of ventilation rate to liquid volume is 0.8, the stirring speed is 200 rev / min, and the fermentation time is 30 hours to obtain the strain liquid, which contains 2.05 billion strains per milliliter.

[0040] Cool the black liquor obtained by using wheat straw as a raw material and adopting the pre-soaking cooking pulping process to 38 ° C, add the bacterial seed liquid according to the amount of 1 / 37 of the black liquor volume, stir well, and after mixing evenly, carry out acidification for 7 days, so that The pH value of the b...

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Abstract

The present invention discloses one kind of organic fertilizer and its preparing process, and belongs to the field of organic fertilizer. The organic fertilizer is prepared with papermaking black liquor and wheat bran as material and through inoculation, anaerobic acidifying and twice composing. The organic fertilizer has organic matter as main component, and has the obvious effects of promoting crop growth, raising ventilation of soil, preserving fertilizer and water.

Description

Technical field: [0001] The invention relates to an organic fertilizer and a preparation method thereof, belonging to the field of organic fertilizers. Background technique: [0002] It is an effective way to reduce pollution by biochemically treating the black liquor produced in papermaking to make it harmless or transform it into useful substances. [0003] Chinese patent application 97107378.3 "Method for making fertilizer and feed using alkaline papermaking black liquor and its fermenter" discloses a method for making fertilizer and feed using alkaline papermaking black liquor. The method combines crude fiber with black liquor and produces acid The microorganisms are fully mixed according to the proportion, and the neutral black liquor crude fiber powder fermented material is obtained after long-term storage and fermentation in the tank. Add different strains to the neutral black liquor crude fiber powder fermented material to obtain fertilizer or feed. The investment i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05F7/02C05F11/08C05F17/00C12N1/14
CPCY02W30/40
Inventor 李洪法曹光春杨吉慧杨继锋李晓光
Owner SHANDONG TRALIN PAPER
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