Method for governing gobi according to modified sand tree planting
A technology of modified sand body and modified sand, applied in desertification control, sand resource utilization and desert fields, can solve problems such as damage, deterioration of asphalt performance, easy movement of sand body, etc., and achieve the effect of preventing movement.
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Embodiment 1
[0116] Embodiment one: comprise the following steps:
[0117] a. Prepare modified sand body:
[0118] a1 Polyvinyl alcohol is selected as the solid organic substance soluble in water;
[0119] Stir polyvinyl alcohol and water according to the weight ratio of 10:100 to form a solution;
[0120] a2 Get 1000kg of sand, then get 155kg of solution formed by dissolving polyvinyl alcohol in water, add the solution to the sand body, then mix and stir to form a modified sand body; the polyvinyl alcohol in the modified sand body and the sand body The weight ratio is 1:71.0;
[0121] b. A tree pit for planting trees is formed at a selected location in the simulated desert; in this embodiment, the tree pit is a network structure;
[0122]c. Fill the tree pit with modified sand to form the foundation for tree growth, and plant pine seedlings on the foundation; the water in the modified sand is well preserved, and under the spring climate conditions in Chongqing, the evaporation is sm...
Embodiment 2
[0125] Embodiment two: comprise the following steps:
[0126] a. Prepare modified sand body:
[0127] a1 The solid organic substance that can dissolve in water is selected from hydroxypropyl methylcellulose;
[0128] Stir hydroxypropyl methylcellulose and water according to the weight ratio of 0.35:100 to form a solution;
[0129] a2 Get 1000kg of sand, then take 130kg of hydroxypropyl methylcellulose solution, mix the sand with the solution and stir evenly to form a modified sand body. The weight ratio is 1:2205;
[0130] b. Form a tree pit for planting trees at a selected location in the simulated desert; in this embodiment, the tree pit is cylindrical;
[0131] c. Wrap the modified sand body directly with the roots of willow saplings (or cuttings) and plant them in the tree pit. The water in the modified sand body is well preserved. Under the spring climate conditions in Chongqing, the evaporation is small, and the appearance of the modified sand body is consistent wi...
Embodiment 3
[0134] Embodiment three: comprise the following steps:
[0135] a. Prepare modified sand body:
[0136] a1 The solid organic matter that can dissolve in water is sodium carboxymethyl cellulose;
[0137] Stir carboxymethylcellulose sodium and water according to the weight ratio of 2:100 to form a solution;
[0138] a2 Take 1000kg of sand, then take 187kg of sodium carboxymethyl cellulose solution, mix sand and sodium carboxymethyl cellulose solution and stir evenly to form a modified sand body, and the substance sodium carboxymethyl cellulose in the modified sand body The weight ratio to the sand body is: 1:272.7;
[0139] b. A tree pit for planting trees is formed at a selected location in the simulated desert; in this embodiment, the tree pit is a strip structure;
[0140] c. Fill the tree pit with modified sand to form the basis for tree growth, and cut Paulownia branches on the basis; under the spring climate conditions in Chongqing, the evaporation is small, and the ...
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