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Shallow-groove improved in-situ repair saline-land vegetable planting method

An in-situ restoration and saline-alkali land technology, which is applied in the field of improving saline-alkali land and planting plants, can solve the problems of land salinization resource damage, agricultural production loss, etc., and achieve the effect of improving saline-alkali land, improving soil structure, and fast economic return

Inactive Publication Date: 2009-02-11
NORTHEAST FORESTRY UNIVERSITY +1
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AI Technical Summary

Problems solved by technology

[0002] The problem of land salinization in our country not only caused the destruction of resources, but also caused huge losses in agricultural production

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0012] Hereinafter, the present invention will be further described with examples, but it is not limited to any one of these examples or similar examples.

[0013] 1. Dig a rectangular planting groove with a thickness of 20cm, a length of 10m and a width of 2m horizontally on a piece of saline-alkali land.

[0014] 2. The bottom layer of the shallow tank is covered with a biological buffer strip composed of corn stalks, cow dung, and saline-alkali soil, which has the function of reducing salinity and hindering the diffusion of salinity. The thickness of the buffer strip is 20-30cm. The top of the buffer strip is paved with artificially improved soil mixed with local saline-alkali soil and artificial biological matrix and added with anti-saline-alkali agent.

[0015] 3. Establish a drainage ditch between adjacent shallow grooves, the width of the bottom of the ditch is 1m, and the length of the bottom of the slope is 50cm.

[0016] 4. A reservoir with a length and width of 6m ...

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Abstract

The invention relates to a method for planting plants by improving a shallow groove and restoring salinate fields in situ; the method comprises the following steps: for planting different plants, shallow-groove strip tillage is carried out on the salinate; a layer of cornstalk, a layer of cow dropping and a layer of cornstalk are laid at the bottom of the groove, then a saline-alkali reducing agent is applied, and then a layer of artificially improved soil which is mixed by luvisol dug from the tillage and artificial biological substrate matured by the cornstalk and the cow dropping in advance is applied; finally, the seeds of the plants is spread into the artificially improved soil, watered and surefooted and field management is carried out; and a layer of cornstalk is laid between the adjacent shallow grooves, the luvisol is used for building a ladder-shaped drainage ditch which is communicated with a water-collecting tank, thus draining excessive water in rainy season.

Description

Technical field: [0001] The invention relates to a method for improving saline-alkali land and planting plants. Background technique: [0002] The problem of land salinization in our country not only caused the destruction of resources, but also caused huge losses in agricultural production. Northeast China is mainly Suda-alkali saline-alkali land. Saline-alkali soil refers to harmful salts such as potassium, sodium, calcium, and magnesium chlorides, sulfates, and bicarbonates in the soil; or the soil has little salt content, but the soil exchangeable sodium accounts for cation exchange capacity. a certain percentage. The main manifestation is that the pH value and electrical conductivity of the soil are too high, which leads to the excessive osmotic pressure of the plants, which then inhibits the growth of the plants and even leads to the death of the plants. [0003] Shallow groove improvement in-situ restoration of saline-alkali land planting plants, making full use of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01B79/00A01G1/00C09C1/00
Inventor 祖元刚王文杰黄路明于兴洋张宝友王慧梅许慧男李冉王莹邱岭王春丽金铁光李弘
Owner NORTHEAST FORESTRY UNIVERSITY
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