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Method for controlling soil carburization and biodiversity agents in undergrowth erosion and inferior land

A biodiversity and soil technology, applied in the field of ecological restoration engineering, can solve the problems of manpower and financial resources, complex planting methods, and small scope of application, and achieve the effects of increasing soil organic carbon, improving soil structure, and increasing soil aggregates

Active Publication Date: 2019-07-23
INST OF ENVIRONMENT & SUSTAINABLE DEV IN AGRI CHINESE ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this prior art has the following defects: (1) It takes a long time to screen vegetation varieties, and the scope of application is small; (2) The planting method is complicated, and the implementation consumes a lot of manpower and financial resources, and the cost is high

Method used

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Embodiment Construction

[0025] In order to make the object, technical solution and advantages of the present invention clearer, the following examples are given to further describe the present invention in detail.

[0026] The invention discloses a method for soil carbon increase and biodiversity bacterial agent regulation in eroded underforest land, which is to improve soil structure and increase biodiversity by adding mycorrhizal fungi to plant roots.

[0027] The specific technical scheme is as follows

[0028] Obtain mycorrhizal fungi. Investigate the main vegetation types in the red soil area, and screen species with strong nutrient absorption capacity. For these species, mycorrhizae can be obtained in two ways:

[0029] Directly purchase the mycorrhizal fungi corresponding to the plants, cultivate them in the laboratory, and then apply them in the field.

[0030] Identify areas rich in biodiversity around areas that need to be restored, collect a large number of vegetation rhizosphere soil s...

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Abstract

The invention provides a method for controlling soil carburization and biodiversity agents in undergrowth erosion and inferior land. The method is characterized in that the soil structure and biodiversity are improved by adding mycorrhiza fungi to plant roots and specifically includes screening species with strong nutrient absorption capacity to obtain the mycorrhiza fungi; for soil carbon fixation and improvement of bioactivity in the erosion and inferior land, the mycorrhiza fungi can be applied in two ways, seed mixing and root application at seedling stage respectively. The method has theadvantages that through regulation of the agents, soil nutrient uptake by vegetation roots in the underground erosion and inferior land is increased, and the nutrient utilization rate is improved; soil organic carbon is increased, small particle soil aggregates are increased, and the soil structure is improved; the biodiversity of the earth's surface and soil is increased.

Description

technical field [0001] The invention relates to the technical field of ecological restoration engineering, in particular to a method for increasing soil carbon and increasing biodiversity in red soil erosion and degraded land, in particular, using mycorrhizal fungi to improve the soil structure of erosion and degradation by using vegetation roots to increase soil organic carbon content and increase biodiversity. Background technique [0002] my country's red soil is mainly distributed in the area south of the Yangtze River, with a total area of ​​2.18 million km 2 , accounting for 22.7% of the total land area of ​​the country, of which the soil area of ​​the red soil series is about 1.28 million km 2[1] . Among them, the area of ​​mountains and hills in the subtropical red soil region in the south accounts for a large proportion. Due to the characteristics of high temperature and rain, abundant water and heat resources, and the same season of humidity and heat, soil erosio...

Claims

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Application Information

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IPC IPC(8): A01B79/02A01G22/00A01G18/10
CPCA01B79/02A01G18/10A01G22/00Y02P60/20
Inventor 于寒青李勇刘文祥陈晓光
Owner INST OF ENVIRONMENT & SUSTAINABLE DEV IN AGRI CHINESE ACADEMY OF AGRI SCI
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