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Compost tea for improving soil hardness and preparation method thereof

A technology for improving soil and composting tea, applied in fertilization devices, fertilizer mixtures, applications, etc., can solve the problems of lack of soil improvement reports and rare nutritional effects, and achieve the effects of low cost, improved aggregate structure, and simple application methods

Active Publication Date: 2013-12-25
INST OF SOIL SCI CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, most of the research and application of compost tea in foreign countries focus on its control effect on diseases and insect pests, and there are few studies on its nutritional effect, and the reports on its use in soil improvement are even more scarce.

Method used

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  • Compost tea for improving soil hardness and preparation method thereof
  • Compost tea for improving soil hardness and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Step 1: Put the compost into a mesh bag with a mesh diameter of 0.15mm;

[0023] Step 2: Add water to the container, place the vent tube at the bottom of the container, 1m 3 The aeration rate of the water is 0.2L / h, ventilated for 30min, after removing the chlorine, add molasses, seaweed powder and humic acid with a mass ratio of 1:4:3, and then put the net bag filled with compost in step 1 into the water , the mass ratio of compost to water is 1:20; the total mass of molasses, seaweed powder and humic acid added is 2% of the compost mass;

[0024] Step 3: Avoid strong direct sunlight during the extraction and fermentation process, keep the solution ventilated, and control the outside temperature at 25-30°C. After 24 hours, a compost tea that improves soil compaction is obtained.

[0025] The compost is selected to meet the requirements of organic fertilizer NY525-2011 and bio-organic fertilizer standard NY 884-2004, and the biological indicators are: active bacteria ≥...

Embodiment 2

[0029] Step 1: Put the compost into a mesh bag with a mesh diameter of 0.15mm;

[0030] Step 2: Add water to the container, place the vent tube at the bottom of the container, 1m 3 The aeration rate of the water is 0.2L / h, aeration for 30min, after removing the chlorine, add molasses, seaweed powder and humic acid with a mass ratio of 1:3:2, and then put the net bag filled with compost in step 1 into the water , the mass ratio of compost to water is 1:10; the total mass of molasses, seaweed powder and humic acid added is 3% of the compost mass;

[0031] Step 3: Avoid direct sunlight during the extraction and fermentation process, keep the solution ventilated, and control the outside temperature at 25-30°C. After 36 hours, the compost tea that improves soil compaction is obtained.

[0032] The compost is selected to meet the requirements of organic fertilizer NY525-2011 and bio-organic fertilizer standard NY 884-2004, and the biological indicators are: active bacteria ≥ 15 μg / ...

Embodiment 3

[0038] Step 1: Put the compost into a mesh bag with a mesh diameter of 0.50mm;

[0039] Step 2: Add water to the container, place the vent tube at the bottom of the container, 1m 3 The aeration rate of the water is 0.5L / h, aeration for 30min, after removing chlorine gas, add molasses, seaweed powder and humic acid with a mass ratio of 1:2:2, and then put the mesh bag filled with compost in step 1 into the water , the mass ratio of compost to water is 1:15; the total mass of molasses, seaweed powder and humic acid is 1% of the compost mass;

[0040] Step 3: Avoid strong direct sunlight during the extraction and fermentation process, keep the solution ventilated, and control the outside temperature at 25-30°C. After 48 hours, a compost tea that improves soil compaction is obtained.

[0041] The compost is selected to meet the requirements of organic fertilizer NY525-2011 and bio-organic fertilizer standard NY 884-2004, and the biological indicators are: active bacteria ≥ 15 μg / ...

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Abstract

The invention discloses a compost tea for improving the soil hardness and a preparation method thereof, belonging to the technical field of soil improvement. The preparation method of the compost tea suitable for improving the hardness soil comprises three parts: material selection, preparation process and quality index selection. The applying method of the compost tea comprises the step of selecting parameters of applying condition, applying time and applying amount. The preparation method of the compost tea has the advantages of easily obtained materials, lower cost, simple preparation process and simple applying method. The preparation of the improved hardened soil of the compost tea has the advantages of high efficiency and short time, and the crumb structure of the hardened soil is remarkably improved 40-50 days after the application of the compost tea. Chemically synthesized substances are not needed in the materials, and the compost tea solution prepared is pollution-free to the environment, thereby conforming to the need of agricultural sustainable development.

Description

technical field [0001] The invention belongs to the technical field of soil improvement, in particular to a compost tea for improving soil compaction and a preparation method thereof. Background technique [0002] (1) Soil compaction is an important problem in the sustainable development of agriculture [0003] As countries around the world pay more and more attention to the sustainable development of agriculture, higher requirements are put forward for the sustainability of soil production capacity. Especially in the severe situation of my country's large population, little arable land, and food security, how to ensure the sustainable production capacity of soil is particularly important. Soil compaction is one of the important manifestations of soil degradation, especially the subsurface soil compaction, which restricts the growth of plant roots underground. In the middle and late stages of plant growth, if there is little rainfall and high evaporation, soil compaction se...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G3/04C05G3/80
Inventor 梁林洲沈仁芳董晓英田凤娇徐静徐萍
Owner INST OF SOIL SCI CHINESE ACAD OF SCI
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