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Improved additive for desertified soil, and preparation method thereof

A technology of soil additives and additives, applied in chemical instruments and methods, soil conditioning materials, organic fertilizers, etc., can solve the problems of low cost, high cost of relative fungal chaff, and long decomposition time, so as to improve water retention capacity and avoid secondary pollution. Secondary pollution, low cost effect

Inactive Publication Date: 2013-09-04
SHENYANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Straw improvement materials are added to the soil and fully mixed with the surface soil, no secondary pollution, low cost, no soil compaction, straw improvement materials have the characteristics of both soil improvers and organic fertilizers, but the decomposition time is long, and the cost of bacterial chaff is relatively long. higher

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] An additive for improving sandy soil, including fungus chaff, horse manure and water, the content of which is: 50 kg of fungus chaff, 10 kg of horse manure, and 40 kg of water. The improved sandy soil additive is prepared by the following method:

[0016] 1. Weigh 50 kg of fungus chaff, mix it with 10 kg of horse manure and 40 kg of water, and make the water soak into the fungus chaff and horse manure;

[0017] 2. Put the mixed mixture into the fermentation tank, cover the fermentation cover with air holes, and put it in a plastic greenhouse with a day temperature of 25-30°C and a night temperature of 20-25°C for decomposition;

[0018] 3. The decomposition time is 50-80 days. During the decomposition of the fungus chaff by the abundant microorganisms in the horse manure, turn it every 4 days, and replenish water in an appropriate amount. After 50-80 days of fermentation, the additive for improving sandy soil can be obtained.

Embodiment 2

[0020] An additive for improving sandy soil, including fungus chaff, horse manure and water, the content of which is: 600 kg of fungus chaff, 50 kg of horse manure, and 350 kg of water. The improved sandy soil additive is prepared by the following method:

[0021] 1. Weigh 600 kg of fungus chaff, mix it with 50 kg of horse manure and 350 kg of water, and make the water soak into the fungus chaff and horse manure;

[0022] 2. Put the mixed mixture into the fermentation tank, cover the fermentation cover with air holes, and put it in a plastic greenhouse with a day temperature of 25-30°C and a night temperature of 20-25°C for decomposition;

[0023] 3. The decomposition time is 50-80 days. During the decomposition of the fungus chaff by the abundant microorganisms in the horse manure, turn it every 4 days, and replenish water in an appropriate amount. After 50-80 days of fermentation, the additive for improving sandy soil can be obtained.

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Abstract

The invention relates to an improved additive for desertified soil, and a preparation method thereof. The preparation method comprises the steps of weighing 50-60 wt% of mushroom bran, mixing the mushroom bran with 5-10 wt% of horse dung and 35-40 wt% of biogas residues thoroughly, soaking the mushroom bran and the horse dung with water; loading the thoroughly mixed mixture into a fermentation tank, covering the fermentation tank with a fermentation cover with air holes; decomposing for 50-80 days in a plastic greenhouse with a day temperature of 25-30 DEG C, and a night temperature of 20-25 DEG C; stirring every five days and supplementing a proper amount of water during the decomposition period of rich microorganisms in the for the horse dung to the mushroom bran; and fermenting for 50-80 days, and thus the improved additive for the desertified soil is obtained. The preparation method is simple and practical, and raw materials come from waste culture medium mushroom bran after edible mushrooms fruit, thereby providing a useful approach for improving the desertified soil.

Description

technical field [0001] The invention relates to an additive for improving soil and a preparation method thereof, in particular to an additive for improving desertified soil and a preparation method thereof. Background technique [0002] Due to soil erosion, rain erosion and other human factors, resulting in soil desertification and barrenness, the world's land resources are being severely damaged, and the land resources are decreasing at a rate of about 5 million to 7 million hectares every year. my country is one of the countries most seriously affected by land desertification and degradation in the world. According to the Bulletin on Desertification in China in 2005, as of 2004, the area of ​​soil erosion in the country reached 356 square kilometers, accounting for 37% of the country's land area. The area of ​​desertified land is 1.74 million square kilometers, accounting for 18.1% of the country's land area. At the same time, more than 90% of natural grasslands have bee...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K17/14C05F11/08C09K101/00
Inventor 侯永侠胡晓钧李玉双宋雪英陈红亮杨继松
Owner SHENYANG UNIV
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