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

A technology for in-situ restoration and saline-alkali land, applied in botanical equipment and methods, site preparation methods, restoration of contaminated soil, etc., can solve the problems of inability to permanently change the physical and chemical structure of saline-alkali land, high cost, and difficulty in quickly recovering the cost, etc. Achieve the effects of significant soil improvement, easy popularization, and improvement of local sanitation conditions

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

Problems solved by technology

[0003] The current treatment methods for saline-alkali land can improve the saline-alkali land to a certain extent, but cannot permanently change the physical and chemical structure of the saline-alkali land, and have the disadvantages of high cost and difficult to quickly recover the cost.

Method used

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Embodiment Construction

[0010] Hereinafter, the present invention will be further described with examples (as shown in the drawings), but it is not limited to any one of these examples or similar examples.

[0011] 1. Dig a square planting groove with a depth of 60cm, a length of 25m and a width of 1m horizontally on a piece of saline-alkali land.

[0012] 2. Straws 5 cm thick and 100 cm high are vertically spread on the four walls of the deep groove.

[0013] 3. Mix the leached soil excavated from the site preparation with the artificial biological substrate matured with crushed corn stalks and cow dung in advance, and prepare artificially improved soil for later use.

[0014] 4 Pave a layer of corn stalks with a thickness of 7cm on the bottom of the tank, apply a layer of cow dung with a thickness of 6cm on it, and apply a layer of corn stalks with a thickness of 7cm on it, add 10cm of saline-alkali leaching soil, and then apply the same Add the same amount of corn stalks + cow dung + corn stalks ...

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Abstract

The invention relates to a method for planting plants by improving a deep groove and restoring salinate fields in situ; the method comprises the following steps: for planting plants, deep-groove strip tillage is carried out on the salinate; cornstalk tents are vertically laid at the four walls of the deep groove; a layer of cornstalk, a layer of cow dropping and a layer of cornstalk are laid at the bottom of the groove, then a layer of luvisol is added, the cornstalk, the cow dropping, the cornstalk and the luvisol with equal quantity are added to the ground surface and then saline-alkali reducing agent of 0.3 to 0.5L / m<2> is poured; then the artificially improved soil is applied; a drainage ditch is established between the adjacent grooves and a reservoir is arranged beside the groove; and finally the plants are planted.

Description

Technical field: [0001] The invention relates to a method for improving saline-alkali land. Background technique: [0002] Agriculture is the foundation of our national economy and the foundation of economic development. However, at present, more than 80% of the cultivated land in our country has obstacles such as drought, low-lying areas, and salinity, which require different degrees of conditioning and improvement. Among them, soil salinization is one of the main soil problems facing our country. my country has more than 20 million hectares of salt wasteland and 6.7 million hectares of saline soil. 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 features are high pH and contain harmful salts. [0003] The current treatment methods for sa...

Claims

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Application Information

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IPC IPC(8): A01B79/00A01G1/00B09C1/00
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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