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Method for establishing saline-alkali soil protection forest

A method of establishment, a technology of saline-alkali land, applied in the field of establishment of protection forests in saline-alkali land, can solve the problems of limited maintenance time, short-term effect, and large amount of engineering, and achieve the effect of inhibiting salt return, isolating saline-alkali, and developing root systems

Pending Publication Date: 2021-01-05
SHANDONG DONGSHENG GARDEN ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Now the greening of saline-alkali land mostly adopts irrigation and drainage, application of acidic salt and other methods of "earth construction first, greening later, improvement first, planting later".

Method used

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  • Method for establishing saline-alkali soil protection forest

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A method for establishing a saline-alkali protection forest, comprising the following steps:

[0024] (1) dig a plurality of planting ditches on saline-alkali land (the width of the upper opening of the planting ditch is 40cm, and the bottom of the described planting ditch is provided with a salt discharge pipeline; the distance between adjacent two planting ditches is 2m.), relatively Deep plow the saline-alkali soil between two adjacent planting ditch;

[0025] (2) Lay a salt barrier layer (comprising cotton stalks, fine sand, activated carbon and zeolite) at the bottom of the planting ditch, the above components are mixed according to the ratio of mass ratio 3:1:1:2, and the thickness of the salt barrier layer is 20cm.), the planting soil layer is laid on the top of the salt barrier layer, and the planting soil layer is mixed with microbial bacterial agents, organic fertilizers and washing resin, and the above components are mixed according to the mass ratio of 10:2:...

Embodiment 2

[0029] A method for establishing a saline-alkali protection forest, comprising the following steps:

[0030] (1) dig a plurality of planting ditches on saline-alkali land (the width of the upper opening of the planting ditch is 45cm, and the bottom of the described planting ditch is provided with a salt discharge pipeline; the distance between adjacent two planting ditches is 2.5m.), Deep plow the saline-alkali soil between two adjacent planting ditch;

[0031] (2) Lay a salt barrier layer (comprising cotton stalks, fine sand, activated carbon and zeolite) at the bottom of the planting ditch, the above components are mixed according to the ratio of mass ratio 3:1.5:1.5:2, and the thickness of the salt barrier layer is 28cm.), the planting soil layer is laid on the top of the salt barrier layer, and the planting soil layer is mixed with microbial bacterial agents, organic fertilizers and washing water resins, and the above components are mixed according to the mass ratio of 10:...

Embodiment 3

[0035] A method for establishing a saline-alkali protection forest, comprising the following steps:

[0036] (1) dig a plurality of planting ditches on saline-alkali land (the width of the upper opening of the planting ditch is 48cm, and the bottom of the described planting ditch is provided with a salt discharge pipeline; the distance between adjacent two planting ditches is 3m.), relatively Deep plow the saline-alkali soil between two adjacent planting ditch;

[0037] (2) Lay a salt barrier layer (comprising cotton stalks, fine sand, activated carbon and zeolite) at the bottom of the planting ditch, the above components are mixed according to a mass ratio of 5:1:1:2.5, and the thickness of the salt barrier layer is 35cm.), the planting soil layer is laid on the top of the salt barrier layer, and the planting soil layer is mixed with microbial bacterial agents, organic fertilizers and washing water resins, and the above components are mixed according to the ratio of mass rati...

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Abstract

The invention relates to the technical field of saline-alkali soil improvement, in particular to a method for establishing a saline-alkali soil protection forest. The method comprises the following steps of (1) digging a plurality of planting ditches in saline-alkali soil; (2) laying a salt isolation layer at the bottoms of the planting ditches, and laying a planting soil layer above the salt isolation layer; (3) planting juniperus formosana, pomegranate and amorpha fruticosa in the planting ditches, and planting pasture in the saline-alkali soil of every two adjacent planting ditches; (4) watering and trimming the pomegranate, the juniperus formosana, the amorpha fruticosa and the pasture at regular intervals through an irrigation device, and conveying liquid compound fertilizers into planting soil of the pomegranate, the juniperus formosana and the amorpha fruticosa at regular intervals through the irrigation device. According to the protection forest established by the method, the soil environment of a saline-alkali area is greatly improved, water and soil loss is effectively prevented, seedlings grow vigorously, and the survival rate of the seedlings is greatly increased.

Description

technical field [0001] The invention relates to the technical field of saline-alkali land improvement, in particular to a method for establishing a saline-alkali land protection forest. Background technique [0002] Saline-alkali land is a type of salt accumulation, which means that the salt contained in the soil affects the normal growth of crops. Now the saline-alkali land greening mostly adopts the method of "construction first, greening later, improvement first, planting later" such as irrigation and drainage, application of acid salt, etc. These methods are not only large in project volume and high in cost, but also have limited maintenance time and short-term effect. With the development of urbanization, industrial structure adjustment, and municipal work in our country, the control of saline-alkali land is urgent. Reducing soil erosion in saline-alkali land is a major problem. Therefore, the establishment of shelterbelts in saline-alkali land is the focus of current r...

Claims

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Application Information

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IPC IPC(8): A01B79/02A01G17/00A01G23/00C05F15/00C05G1/00C05F17/20C05G5/23
CPCA01B79/02A01G17/005A01G23/00C05F3/00C05D1/00C05F17/20C05G5/23Y02W30/40Y02P60/20
Inventor 杨友政魏西李增磊高尚飞姜新刚陈靖辛路高翔张凯张忠信李伟马海元高新刚董凤祥白岩
Owner SHANDONG DONGSHENG GARDEN ENG CO LTD
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