Desert greening method

A desert and sandy land technology, applied in chemical instruments and methods, soil preparation methods, climate change adaptation, etc., can solve problems such as unsatisfactory, high greening effect of dead seedlings, difficult vegetation survival, etc., to ensure respiration and prevent excessive boredom The effect of oxygen environment

Active Publication Date: 2018-12-07
NORTHWEST INST OF ECO ENVIRONMENT & RESOURCES CAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The first purpose of the present invention is to provide a desert greening method, which aims to solve the technical problems in the prior art that the planted vegetation is not easy to survive, and the dead seedlings are high, which causes the greening effect to be unsatisfactory.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0083] Embodiment 1: Composition and preparation of sand-fixing agent

[0084] In terms of parts by weight, the raw material components include: 62 parts of the first material, 21 parts of the second material, 1 part of microorganism liquid, 15 parts of bentonite, 5 parts of sawdust, 8 parts of waste paper pulp and 240 parts of water.

[0085] Specifically, the first material is mainly composed of the following components:

[0086] 4 parts of polyvinyl alcohol, 4 parts of styrene, 5 parts of methyl methacrylate, 5 parts of butyl acrylate, 7 parts of ethyl acrylate, 7 parts of methyl acrylate, 3 parts of acrylic acid, 2 parts of methacrylic acid, 4 parts of acrylamide 1 part, 1 part of sodium styrene sulfonate, 1 part of sodium vinyl sulfonate, 2 parts of allyloxy nonylphenol polyoxyethylene ether ammonium sulfate, 1 part of allyloxy hydroxypropyl sulfonate, 1 part of methacrylic acid hydroxy 1 part of sodium propylsulfonate, 1.5 parts of sodium 4-enebutoxy-2-hydroxypropanesul...

Embodiment 2

[0098] Embodiment 2: Composition and preparation of improver

[0099] According to parts by weight, its raw material components include: 120 parts of diatomite, 100 parts of fly ash, 60 parts of kaolin, 100 parts of peat, 140 parts of plant straw powder, 16 parts of algae-containing carrier, 50 parts of organic fertilizer, humus 55 parts, 30 parts of zeolite powder, 25 parts of glass microspheres, 20 parts of silica powder, 25 parts of microbial bacterial liquid;

[0100] 12 parts of urea, 12 parts of monoammonium phosphate, 35 parts of traditional Chinese medicine waste residue powder, 30 parts of waste tea residue, 16 parts of fulvic acid concentrate, 50 parts of distiller's grains, 45 parts of leaf humus, 50 parts of wood chips, 250 parts of husk chaff ash, 20 parts of pine phosphorus, 60 parts of coconut bran and 35 parts of slow-release fertilizer.

[0101] Wherein, the plant stalk powder comprises the following components by weight percentage:

[0102] Corn stalk powde...

Embodiment 3

[0113] Embodiment 3: desert greening method

[0114]S31: Set a windbreak and sand-fixation area at the edge of the sandy land to be greened, and set a sand-fixation barrier in the windbreak and sand-fixation area. The sand-fixation barrier is in a closed ring shape and surrounds the sandy land to be greened to form a green area;

[0115] S32: Prepare the ground outside the sand-fixing barrier to form a conical slope 103 sunken toward the center, and lay cement concrete on the surface of the conical slope 103 to form a fixed smooth surface, then set an annular groove 101 at the bottom of the conical slope 103, And in the center of the annular groove 101, a water storage cellar 102 with a depth of 30 meters and a diameter of 5 meters is opened downward. The surface of the water storage cellar 102 is covered with cement concrete; holes, each water inlet hole is provided with a filter screen;

[0116] S33: Set planting belts and sand-fixing belts in parallel at intervals in the g...

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Abstract

The invention provides a desert greening method, and belongs to the field of desert treatment. The method particularly includes the steps: a wind-proof and sand-fixing area is arranged at the edge ofsand land to be greened to form a greening area; a water storage cellar is arranged at a sand-fixing barrier; a planting zone and a sand-fixing zone are arranged in the greening area at intervals in parallel; the planting zone is a strip-shaped trough, an improver is laid at the bottom of the trough, and ploughing and leveling are performed; a fixed planting plate is laid at the bottom of the trough, and the fixed planting plate is provided with a row of fixed planting holes in the length direction; the strip through is landfilled after a fixed planting pot containing tree seedlings cultured indoors is transferred on the fixed plant holes, the surface after landfill is not higher than the edge of the top of the fixed planting pot; the surface of the sand-fixing zone is applied with a sand-fixing agent, the fixed planting pot is introduced with water once every other 1-2 months until the height of the tree seedlings is higher than 3 m. A series of composite means such as artificial greening, sand fixation and improver repairing and the like are adopted, and various measures are used simultaneously to guarantee the self-repairing and greening of the sandy land.

Description

technical field [0001] The invention relates to the field of desert greening, in particular to a desert greening method. Background technique [0002] There is a large area of ​​desertified land in northern my country. According to statistics, it is about 1.5 million square kilometers. What's more serious is that desertification is gradually increasing, which poses a great threat to the ecological environment in northern my country. At the same time, it also poses great harm to the industrial and agricultural production and people's life in related areas, and seriously affects the development of social economy. [0003] Based on the seriousness of desertification hazards, the use of artificial vegetation to prevent and control sand damage has a history of decades, and it is also internationally recognized as one of the most effective methods for ecological reconstruction of sandy areas. This method is mainly carried out by planting drought-tolerant plants in deserts, such ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K17/40A01B79/02C09K105/00
CPCA01B79/02C09K17/40C09K2105/00Y02A40/22
Inventor 冯起刘蔚郭瑞贾冰鱼腾飞席海洋
Owner NORTHWEST INST OF ECO ENVIRONMENT & RESOURCES CAS
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