Sand fixation control and planting integrated method for sand land

A technology for sand-fixing plants and sandy land, applied in chemical instruments and methods, botany equipment and methods, plant cultivation, etc., can solve the problems of low vegetation coverage, insignificant sand-fixing effect, sand loss, etc., to achieve the promotion of crop growth, Prevents loss and flow, avoids the effect of growth

Pending Publication Date: 2020-02-21
GANSU DESERT CONTROL RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, most of the methods for controlling desertified land are based on planting sand-fixing plants, but sand-fixing plants only partially reduce the wind speed to achieve sand-fixing. When encountering strong winds, the sand will still be lost under the action of wind
Due to loose sandy soil texture and long-term drought and water shortage, sand-fixing plants are restricted by water factors, and the vegetation coverage is low, and the sand-fixing effect is not significant.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] 1) Weigh 5 parts of polyvinyl alcohol, 5 parts of polyacrylamide, 3 parts of nano-scale calcium carbonate, 5 parts of sodium borate and 5 parts of silica gel, set aside;

[0031] 2) Dissolve polyvinyl alcohol in 6 times the volume of water, and heat to 70°C for 20 minutes to obtain a polyvinyl alcohol solution;

[0032] 3) Dissolving polyacrylamide in 8 times the volume of water and heating to 40°C to obtain a polyacrylamide solution; adding the polyacrylamide solution dropwise to the polyvinyl alcohol solution;

[0033] 4) melting the silica gel to obtain the silica gel solution, and adding the silica gel solution dropwise to the mixed solution obtained in step 3);

[0034] 5) Sodium borate and calcium carbonate were mixed, dissolved in 8 times the volume of water, heated to 50°C, and the obtained mixed solution was added dropwise to the solution obtained in step 4);

[0035] 6) cooling to obtain sand-fixing agent.

Embodiment 2

[0037] 1) Weigh 10 parts of polyvinyl alcohol, 10 parts of polyacrylamide, 4 parts of nano-scale calcium carbonate, 10 parts of sodium borate and 10 parts of silica gel, set aside;

[0038] 2) Dissolve polyvinyl alcohol in 5 times the volume of water, and heat to 90°C for 25 minutes to obtain a polyvinyl alcohol solution;

[0039] 3) Dissolving polyacrylamide in 10 times the volume of water and heating to 50°C to obtain a polyacrylamide solution; adding the polyacrylamide solution dropwise to the polyvinyl alcohol solution;

[0040] 4) melting the silica gel to obtain the silica gel solution, and adding the silica gel solution dropwise to the mixed solution obtained in step 3);

[0041] 5) Sodium borate and calcium carbonate were mixed, dissolved in 6 times the volume of water, heated to 40°C, and the obtained mixed solution was added dropwise to the solution obtained in step 4);

[0042] 6) cooling to obtain sand-fixing agent.

Embodiment 3

[0044] 1) Weigh 8 parts of polyvinyl alcohol, 8 parts of polyacrylamide, 3.5 parts of nano-scale calcium carbonate, 7 parts of sodium borate and 6 parts of silica gel, and set aside;

[0045] 2) Dissolving polyvinyl alcohol in 8 times the volume of water and heating to 80°C for 23 minutes to obtain a polyvinyl alcohol solution;

[0046] 3) Dissolving polyacrylamide in 7 times the volume of water and heating to 45°C to obtain a polyacrylamide solution; adding the polyacrylamide solution dropwise to the polyvinyl alcohol solution;

[0047] 4) melting the silica gel to obtain the silica gel solution, and adding the silica gel solution dropwise to the mixed solution obtained in step 3);

[0048] 5) Sodium borate and calcium carbonate were mixed, dissolved in 7 times the volume of water, heated to 45°C, and the obtained mixed solution was added dropwise to the solution obtained in step 4);

[0049] 6) cooling to obtain sand-fixing agent.

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PUM

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Abstract

The invention discloses a sand fixation control and planting integrated method for sand land. The method includes: spreading a sand-fixing agent to the surface of the sand land, planting plants on thesand land where the sand-fixing agent is spread to form a grid sand-fixing plant zone, and planting two rows of different crops in grids; planting shrubs or perennial herbs in the prevailing wind direction of one side of the sand-fixing plant zone. By adoption of the sand-fixing agent, sand loss is prevented; by planting of the crops in the grid windbreak sand-fixing plant zone, the vegetation coverage of the sand-fixing plant zone can be increased, effects of wind speed reduction and effective prevention of sand flowing are achieved, and accordingly crop damage caused by wind erosion or sandaccumulation can be prevented.

Description

technical field [0001] The invention relates to the technical field of sand fixation in sandy land, and more specifically relates to an integrated method of sand fixation control and planting in sandy land. Background technique [0002] At present, the degree of desertification in Northwest China is gradually aggravating, and at an annual rate of 3000km 2 Due to the large area of ​​land desertification, crop planting in the northwest sandy area is limited, and the crop yield is low, which seriously restricts the sustainable economic development of the northwest region. [0003] At the present stage, most methods of controlling desertified land are based on planting sand-fixing plants, but sand-fixing plants only partially reduce the wind speed to achieve sand-fixing. When encountering strong winds, sand will still be lost under the action of wind. Due to the loose texture of the sandy soil and long-term drought and water shortage, the sand-fixing plants are restricted by wa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G17/00A01G22/00A01G22/05A01G22/40E02D3/12C09K17/40C09K17/52C09K105/00C09K101/00
CPCA01G17/005A01G22/00A01G22/05A01G22/40E02D3/12C09K17/40C09K17/52C09K2105/00C09K2101/00Y02A40/22
Inventor 朱淑娟康才周满多清李得禄
Owner GANSU DESERT CONTROL RES INST
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