Method for improving saline-alkali soil through euhalophyte and method for improving saline-alkali soil

A true halophyte and saline-alkali land technology, applied in the fields of botanical equipment and methods, land preparation methods, plant cultivation, etc., can solve the problems of treating the symptoms but not the root cause, occupying a lot of land, and returning soil salt.

Active Publication Date: 2018-05-18
内蒙古蒙草土壤科技有限责任公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage is: waste of water resources, if the drainage is not matched, it will easily raise the groundwater level and cause the soil to return to salt
The disadvantage is that it takes up a lot of land and needs to be washed with f

Method used

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  • Method for improving saline-alkali soil through euhalophyte and method for improving saline-alkali soil
  • Method for improving saline-alkali soil through euhalophyte and method for improving saline-alkali soil
  • Method for improving saline-alkali soil through euhalophyte and method for improving saline-alkali soil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] This embodiment provides a method for improving saline-alkali land by using euhalophytes, which includes the following steps:

[0047] First, open a hidden pipe ditch on the saline-alkali ground, and bury the buried pipe in the hidden pipe ditch; carry out the deep plowing process and the drying process of the soil, the depth of the deep plowing process is 10, and the drying time is 20h; The movable sprinkler can evenly irrigate the saline-alkali land for 3 days, with an irrigation volume of 20 cubic meters per mu per day.

[0048] Secondly, open planting ditch on the soil after spray irrigation, the depth of planting ditch is 5cm, the width of planting ditch is 8cm, and the spacing of two adjacent planting ditches is 10cm.

[0049] Finally, the euhalophytes were planted in the planting ditch with a planting density of 0.7 kg seeds / mu, and the euhalophytes were quinoa.

Embodiment 2

[0051] This embodiment provides a method for improving saline-alkali land by using euhalophytes, which includes the following steps:

[0052] First, open a hidden pipe ditch on the saline-alkali ground, and bury the buried pipe in the hidden pipe ditch; carry out the deep plowing process and the drying process of the soil, the depth of the deep plowing process is 20, and the drying time is 40h; The mobile sprinkler can evenly irrigate the saline-alkali land for 5 days, with an irrigation volume of 30 cubic meters per mu per day.

[0053] Secondly, open planting ditch on the soil after spray irrigation, the depth of planting ditch is 8cm, the width of planting ditch is 10cm, the spacing of adjacent two planting ditches is 15cm; Carry out seed pretreatment process, seed pretreatment process comprises : Soak the seeds in 100mg / L potassium permanganate solution for 2 hours, then put the seeds in clean water and let them stand for 5 hours.

[0054] Finally, the process of planting...

Embodiment 3

[0056] This embodiment provides a method for improving saline-alkali land by using euhalophytes, which includes the following steps:

[0057] First, open a hidden pipe ditch on the saline-alkali ground, and bury the buried pipe in the hidden pipe ditch; carry out the deep plowing process and the drying process of the soil, the depth of the deep plowing process is 20, and the drying time is 40h; The mobile sprinkler can evenly irrigate the saline-alkali land for 5 days, with an irrigation volume of 30 cubic meters per mu per day.

[0058] Secondly, open planting ditch on the soil after spray irrigation, the depth of planting ditch is 6cm, the width of planting ditch is 9cm, and the spacing of adjacent two planting ditches is 12cm; Carry out seed pretreatment process, seed pretreatment process comprises : Soak the seeds in 200mg / L potassium permanganate solution for 1 hour, then put the seeds in clean water and let them stand for 8 hours.

[0059] Finally, the process of planti...

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Abstract

The invention discloses a method for improving the saline-alkali soil through euhalophyte and a method for improving saline-alkali soil, and relates to the technical field of saline-alkali soil improving methods. The method for improving the saline-alkali soil through euhalophyte comprises the following steps that a closed pipe ditch is dug in the saline-alkali soil, and closed pipe laying is performed in the closed pipe ditch; after soil is pretreated, repeated spraying and irrigation are performed; a planting ditch is formed in the soil obtained after spraying and irrigation, the depth of the planting ditch is 5-8 cm, the width of the planting ditch is 8-10 cm, and the distance between two adjacent planting ditches is 10-15 cm; the euhalophyte is planted in the planting ditch, the planting density is 0.7-1.0 kilogram seeds per mu, and the euhalophyte is quinoa and/or salicornia. The method for improving the saline-alkali soil comprises the method for improving the saline-alkali soilthrough the euhalophyte. The methods have the effects of saving fresh water resources and remarkably lowering the salt and alkali content in the saline-alkali soil.

Description

technical field [0001] The invention relates to the technical field of methods for improving saline-alkali land, and in particular to a method for improving saline-alkali land by using euhalophytes and a method for improving saline-alkali land. Background technique [0002] 10% of the total land surface of the earth is covered by different types of saline soil. Various types of saline-alkali land are distributed in more than 100 countries and regions on five continents, covering an area of ​​about 950 million hectares. With the increase of irrigation area and irrigation volume, the area of ​​secondary salinization of soil is still expanding. About 10 million hectares of land are abandoned every year due to secondary salinization of soil, which brings great harm to the earth's ecological environment and agricultural production. [0003] Common practices for saline-alkali land improvement: [0004] (1) Wash salt with fresh water. Quick results. The disadvantage is: waste ...

Claims

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Application Information

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IPC IPC(8): A01B79/02A01G22/00C09K17/40C09K101/00C09K109/00
CPCA01B79/02C09K17/40C09K2101/00C09K2109/00
Inventor 高鸿永韩敏谢佳邑高鸿利高兆舆
Owner 内蒙古蒙草土壤科技有限责任公司
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