Desertification land comprehensive treatment method

A comprehensive management and land technology, applied in the fields of desertification prevention and ecological environment restoration, can solve problems such as insufficient soil fertility, weak vegetation recovery, and slow sand fixation, and achieve the effects of promoting growth and reproduction, promoting plant growth, and major economic and social benefits

Pending Publication Date: 2022-07-12
BEIJING FORESTRY UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a comprehensive control method for desertified land, which can solve the problems of insufficient soil fertility, slow sand fixation speed, and weak vegetation recovery in the process of desertified land control, and realize efficient control of desertification in semi-arid desert areas and regional ecological security guarantee

Method used

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  • Desertification land comprehensive treatment method

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Experimental program
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Effect test

Embodiment 1

[0034] 1. Overview of the study area: The experiment was carried out at the National Positioning Observation and Research Station of the Mu Us Sandy Land Ecosystem in Ningxia, which is located in Yanchi County, Ningxia (106°300′-107°410′ east longitude, 37°40′-38°100′ north latitude, 1530m above sea level), located on the southern edge of the Mu Us Sandy Land, in the transition area between arid and semi-arid areas, desert steppe and typical steppe, agricultural area and pastoral area, and the Loess Plateau and the Ordos platform. Artemisia ordosica, Astragalus mongolicum and Caragana korshins are the dominant sandy shrubs. The algal crusts, lichen crusts and moss crusts widely distributed in this area are distributed in the arid and semi-arid regions of my country and are highly representative. The dominant species of the three types of crusts are Microcoleus vaginatus, Colematenax and Byumargenteum, and their coverage is as high as 40%.

[0035]2. Purchase of experimental m...

Embodiment 2

[0054] Example 2 was carried out in the mobile sandy land in the National Positioning Observation and Research Station of the Mu Us Sandy Land Ecosystem in Ningxia. on moving sand (such as Figure 7 A total of 42 quadrats of 2m × 2m were set up. The 42 quadrats were all set with wheat grass squares and sprayed at 0.6g / m2. 2 of Artemisia Gum, all spread 5g / m 2 For the dominant sand-fixing seeds, a total of 6 treatments and one control were set, and each treatment and control had a total of 6 replicates. The 6 treatments are respectively: artificial algae seed addition (refer to Example 1 for artificial algae seed preparation), photosynthetic carbon-fixing bacterial agent (additional amount and composition refer to Example 1), bacterial agent attachment agent (organic fertilizer, addition amount 100g / m) 2 ), photosynthetic carbon-fixing bacteria agent+bacterial agent attachment agent, compound bacteria agent (refer to Example 1 for addition amount and composition), compound b...

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Abstract

The invention relates to a desertification land comprehensive treatment method which comprises the steps that a latticed fence is arranged on a desertification land through grass plants, the side length of the minimum unit of the fence is 1-2 m, and the height of the minimum unit of the fence is 4-6 cm; spreading sand-fixing plant seeds and algae seeds in the sand land in the fence, and adding a functional microbial agent; sa-hao seed gum is sprayed on the surface of the sand for multiple times. The method provided by the invention has a good soil improvement effect, and can promote the growth and reproduction of soil microorganisms, improve the soil microenvironment and promote the growth of plants while playing a certain sand stabilization effect. The popularization of the method can increase the basic production capacity of agriculture and animal husbandry, and has great potential economic and social benefits.

Description

technical field [0001] The invention relates to the field of desertification control and ecological environment restoration, in particular to a comprehensive treatment method for sandy land. Background technique [0002] The harm of desertification is becoming more and more serious. It is urgent to control desertification, curb the expansion of desertified land, and realize the sustainable development of resources and economy. Traditional sand fixation technologies include mechanical sand fixation, chemical sand fixation and biological sand fixation. Although good results have been achieved, the recovery speed is slow, and the improvement of soil nutrients after sand fixation is weak, making it difficult to provide basic elements necessary for plant growth; some chemical materials Due to factors such as cost and limited material sources, it has not been applied on a large scale. [0003] Therefore, it is imperative to explore a set of integrated sand-fixation technologies t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G17/00A01G33/00A01G22/00A01G13/02A01B79/02A01B79/00C12N1/12C12N11/14C09K17/14C09K101/00C12R1/89
CPCA01G17/005A01G33/00A01G22/00A01G13/0256A01B79/02A01B79/00C12N1/12C12N11/14C09K17/14C09K2101/00Y02A40/80
Inventor 冯薇张宇清秦树高赖宗锐佘维维刘靓
Owner BEIJING FORESTRY UNIVERSITY
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