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Preparation method of agricultural organic fertilizer using pure straw as raw material

A technology of organic fertilizer and straw, applied in the field of organic fertilizer and its preparation, can solve the problems of soil beneficial microorganism deficiency, endangering human living environment, low density of straw powder, etc., to reduce soil-borne diseases, increase emergence rate, and enhance photosynthesis The effect of action

Active Publication Date: 2014-10-15
苏州荣基生态生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Although fertilizer is an important resource for the cultivation of all agricultural and forestry crops, long-term excessive use of chemical fertilizers can easily cause defects in soil beneficial microorganisms, soil compaction, low productivity, environmental pollution, and endanger the living environment of human beings.
There is no precedent for directly using pure straw as agricultural fertilizer. Because the density of straw powder is low, the seeds will float with the field water after sowing, and the plowing will take a long time to naturally decompose in the soil, which will cause the seeds not to implant. leading to production reduction or even extinction

Method used

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  • Preparation method of agricultural organic fertilizer using pure straw as raw material
  • Preparation method of agricultural organic fertilizer using pure straw as raw material
  • Preparation method of agricultural organic fertilizer using pure straw as raw material

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] The preparation method of the agricultural organic fertilizer using pure straw as raw material comprises the following steps:

[0025] (1) Separately screen, isolate, purify, rejuvenate and cultivate Nocardia ditch, Bacillus megaterium, Lactobacillus plantarum, Bacillus stearothermophilus, Trichoderma viride, and then inoculate various bacteria into industrial fermentation tanks fermentation. Fermentation conditions are: Nocardia trough, Bacillus megaterium, and Lactobacillus plantarum medium components are 0.5% yeast extract, 0.5% peptone, 5% brown sugar, 0.1% Tween-80, 0.05% sodium chloride, 0.05% Dipotassium hydrogen phosphate, 0.05% magnesium sulfate, 0.05% calcium carbonate, the temperature of the culture medium is 35°C, and the culture time is 24 hours. The composition of the medium for Bacillus stearothermophilus is 0.5% yeast extract, 0.5% peptone, 5% brown sugar, 0.1% Tween-80, 0.05% sodium chloride, 0.05% dipotassium hydrogen phosphate, 0.05% magnesium sulfat...

Embodiment 2

[0034] The preparation method of the agricultural organic fertilizer using pure straw as raw material comprises the following steps:

[0035](1) Separately screen, isolate, purify, rejuvenate and cultivate Nocardia trough, Bacillus megaterium, Lactobacillus plantarum, Bacillus stearothermophilus licheniformis, Trichoderma viride, and then inoculate and plant various bacteria into industrial fermentation tanks post-fermentation. Fermentation conditions are: Nocardia trough, Bacillus megaterium, and Lactobacillus plantarum medium components are 0.5% yeast extract, 0.5% peptone, 5% brown sugar, 0.1% Tween-80, 0.05% sodium chloride, 0.05% Dipotassium hydrogen phosphate, 0.05% magnesium sulfate, 0.05% calcium carbonate; the temperature of the culture medium is 25°C, and the culture time is 36 hours; the composition of the culture medium of Bacillus stearothermophilus is 0.5% yeast extract, 0.5% peptone, 5% brown sugar , 0.1% Tween-80, 0.05% sodium chloride, 0.05% dipotassium hydro...

Embodiment 3

[0042] Embodiment 3 fertilizer effect test

[0043] Test period: September 3, 2012 to September 24, 2012. The test site is located in Hua'an Farm, Gushan Village, Pingwang Town, Wujiang City; the soil used for the test is black miscellaneous soil, pH 7.5, organic matter 32.1g / kg, total nitrogen 1.23g / kg, available phosphorus 12.2mg / kg, available potassium 125mg / kg. The test fertilizer is the pure straw organic fertilizer obtained in Example 1, and the test crop is Chinese cabbage, and the variety is Huaguan Qinggengcai.

[0044] Experimental group settings:

[0045] Experimental group 1: blank control group. No fertilizer is applied, and the output is the basic soil yield;

[0046] Experimental group 2: conventional fertilizer control group. According to the local conventional fertilization amount, it is converted into chemical fertilizer application, and no other fertilizers are applied. The dosage is compound fertilizer with total nutrient ≥ 45%, 50kg / mu;

[0047] Ex...

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Abstract

The invention discloses a preparation method of an agricultural organic fertilizer by treating pure straws as a raw material. The preparation method is characterized in that the preparation method comprises the following steps: 1, respectively screening, separating, purifying, rejuvenating and culturing Nocard's bacillus, Bacillus megaterium, Lactobacillus plantarum, thermophilic Bacillus licheniformis and Hypocrea virens, and transferring the above strains to an industrial fermentation tank for fermentation; 2, taking all strain culturing solutions in proportion, mixing, adsorbing with an adsorption carrier, and drying at a temperature of below 28DEG C to a composite inoculant having a water content of below 30%; and 3, inoculating the composite inoculant to a fermentation carrier, spraying water to the water content of 55-65%, and carrying out stacking fermentation at 58-72DEG C for 25-35 days while uniformly overturning once every two days to obtain the pure straw fermented organic fertilizer. The organic fertilizer has the advantages of promotion of the effective recovery and utilization of straws, increase of the diseases prevention capabilities of crops, improvement of the soil structure, and improvement of the product quality.

Description

technical field [0001] The invention belongs to the field of agricultural fertilizers, and in particular relates to an organic fertilizer obtained by using pure straw as a raw material through microbial fermentation and a preparation method thereof. Background technique [0002] In my country, the annual total output of straw is about 800 million tons, ranking first in the world. In the past, it was mainly used as feed or incinerated. With the management of straw burning prohibition and the comprehensive utilization of straw resources, it has attracted widespread attention from all walks of life. People call for a It is a more reasonable way to recycle and use crop straw, but most of the straw has no reasonable place to go, and my country's environmental problems are facing formidable challenges. [0003] Although fertilizer is an important resource for the cultivation of all agricultural and forestry crops, long-term excessive use of chemical fertilizers can easily cause def...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05F17/00C05F11/08
CPCY02W30/40
Inventor 魏荣华杨浩深
Owner 苏州荣基生态生物科技有限公司
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