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Method for complementary planting of soil seed banks on large area in arid desert area

A soil seed bank, large-area technology, applied in the fields of botany equipment and methods, plant cultivation, horticulture, etc., can solve problems such as introduction of technical methods, reduce evapotranspiration, accelerate effective colonization and restoration, and improve desert vegetation coverage Effect

Inactive Publication Date: 2019-01-25
XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this technical method has not been introduced in depth

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  • Method for complementary planting of soil seed banks on large area in arid desert area
  • Method for complementary planting of soil seed banks on large area in arid desert area
  • Method for complementary planting of soil seed banks on large area in arid desert area

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Embodiment 1

[0030] Take the Yahafu Mahan and Yingsu sections in the lower reaches of the Tarim River in Xinjiang, China as examples to implement the method of the present invention. The Yahavmahan section has typical herbaceous communities, and the Yingsu section has typical arbor and shrub communities. Implement the regional location map of the present invention as image 3 shown.

[0031] Selection of Soil Seed Bank:

[0032] Plants such as Populus euphratica, Tamarix, licorice, Huahuachai, camel thorn, Nitraria, reed, and apocynum are widely distributed in the Yahavmahan and Yingsu sections. However, according to the survey, in the Yahafu Mahan section, herbaceous plants such as licorice, flowerwood, and camel thorn accounted for 94% of all plant species, and Populus euphratica and Tamarix accounted for 6%; Plant species accounted for 84%, and other herbaceous plants accounted for 16%. Therefore, we selected the 1-15 cm soil layer soil on the surface of the Yahav Mahan section wher...

Embodiment 2

[0045] Take Sandaoba in the lower reaches of the Kongque River in Xinjiang, China, these three sections of the 34th regiment's forest management station and the 35th regiment's camp as examples, implement the inventive method. There are typical arbor and shrub communities in Sandaoba and 34th Regiment Forest Management Station sections, and typical herbaceous communities in the 35th Regiment Yingpan section. Implement the regional location map of the present invention as Figure 4 shown.

[0046] Selection of Soil Seed Bank:

[0047] In the desert riparian forest in the lower reaches of the Kongque River, there are widely distributed plants such as Populus euphratica, Tamarix, licorice, pig's hair, Sapona spinosa and Salt ear wood. However, according to surveys, at the Sandaoba and 34th regiment forest management station sections, Populus euphratica and Tamarix accounted for 95% of all plant species, and herbaceous plants accounted for only 5%; at the 35th regiment Yingpan s...

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Abstract

The invention relates to a method for complementary planting of soil seed banks on a large area in an arid desert area. According to the method, local existing soil seed banks are utilized, soil layers of the existing soil seed banks are effectively transplanted to a bare aeolian-sandy-soil-free area, the newly transplanted soil layers of the soil seed banks are irrigated to a certain degree, annual ripe corn stalks uniformly cover the surface layers of the newly transplanted soil layers of the soil seed banks, in autumn of the second year, after the sun-cured corn stalks are removed, and a layer of new soil with the same soil seed banks is transplanted on the newly transplanted soil, is irrigated and is covered with two layers of new corn stalks. Transplanting conditions are as follows: ashady and moist soil environment requires to be constructed and cold weathers are required, the newly transplanted soil and original soil can be effectively connected and fused favorably, the soil seed banks are favorably quartered at the original soil, if the soil seed banks are transplanted in the same place for two years continuously, the soil seed bank planting efficiency can be greatly improved, and a purpose of complementary planting of the soil seed banks on a large area in the arid desert area is achieved.

Description

technical field [0001] The invention relates to the technical field of restoration and reconstruction of vegetation in degraded ecosystems in arid desert areas, in particular to a method for replanting soil seed banks in large areas in arid desert areas. Background technique [0002] Desertification is the degradation of land in arid, semi-arid and dry sub-humid areas. Human activities and climate change are the direct causes of desertification. One-fifth of the world's population is facing the threat of desertification, and the area of ​​global land desertification is increasing at an average annual rate of 3.4%. Asia has the largest area of ​​land affected by desertification, nearly 1.4 billion m 2 , Moderate and severe desertification has occurred in 71% of the land in the arid region. The area of ​​China's arid, semi-arid and sub-humid arid regions accounts for 38.3% of the country's land area. It is estimated that the land area of ​​desertification in China accounts ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G22/00A01G23/00
CPCA01G22/00A01G23/00
Inventor 付爱红李卫红陈亚宁陈亚鹏朱成刚香慧远
Owner XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI