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A method for increasing organic carbon fixation in roots of halophytic trees and shrubs in arid desert areas

A plant root, organic carbon technology, applied in the fields of botanical equipment and methods, plant cultivation, land preparation methods, etc., can solve problems such as increasing organic carbon, and achieve the enhancement of the root system's ability to absorb water and nutrients, and the increase of root surface area and total absorption area. , Improve the effect of long-term storage

Active Publication Date: 2018-05-11
XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no method to increase organic carbon by using microorganisms at home and abroad

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] For arbor growing areas:

[0019] a. Carried out when the surface temperature is 10℃ in autumn;

[0020] b. Dig a pit 100cm from the root of the arbor gray poplar. The pit depth is 50cm, the length and width are 150cm, and the mycorrhizal fungus inoculant is evenly sprinkled in the pit at a thickness of 1cm, and the soil is backfilled and compacted. After the mycorrhizal fungus is inoculated, water , And then follow up management according to conventional methods.

Embodiment 2

[0022] For halo shrub growing areas:

[0023] a. Carried out when the surface temperature is 10℃ in autumn;

[0024] b. Dig a pit 50cm away from the roots of the shrubs. The depth of the pit is 30cm and the length and width are 50cm. Spread the mycorrhizal fungus inoculant evenly in the pit at a thickness of 2cm. Water, then follow-up management according to conventional methods.

Embodiment 3

[0026] For halo-tree growing areas:

[0027] a. It should be carried out in autumn when the surface temperature is 15℃;

[0028] b. Dig a pit 200cm away from the root of Populus euphratica. The pit depth is 80cm, and the length and width are each 200cm. After spreading the mycorrhizal fungus inoculant evenly in the pit with a thickness of 2cm, dig the soil and backfill, ram it, and after mycorrhizal fungus inoculation, water it. Follow-up management can be carried out according to conventional methods.

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Abstract

The invention relates to a method for improving organic carbon sequestration for roots of saline tree and shrub plants in an arid desert region. According to the method, mycorrhizal fungi inoculation agents are uniformly scattered in roots of trees such as gray poplars, populus euphratica or populus russkii and shrubs such as Halostachys caspica, Calligonum arborescens, anabasis salsa, Nitraria tangutorum Bobr., Kalidium foliatum, suaeda physophora, tamarix chinensis, Lycium ruthenicum murr, salsola subcrassa or Halocnemum strobilaceum, a mutual facilitation function between growth of the roots of tree and shrub plants and microbial activities is performed, a rhizosphere effect is effectively played, the number and the activity of microorganisms around underground roots of tree and shrub plants are increased, water and nutrition absorption of the underground roots of the tree and shrub plants is effectively promoted, development and growth of the roots of the tree and shrub plants are promoted, accumulation of underground root biomass is accelerated, storage of underground organic carbon is increased, and accordingly, the loss of reduction of underground organic carbon sequestration capacity caused by vegetation degradation is made up.

Description

Technical field [0001] The invention relates to a method for increasing the organic carbon fixation of the roots of saline arbor and shrub plants in arid desert areas, in particular to a method for improving the underground organic carbon fixation of plants by microorganisms. Background technique [0002] The 2005 Greenhouse Gas Index report issued by the National Oceanic and Atmospheric Administration (NOAA) on May 1 shows that the carbon dioxide (CO 2 The average concentration of) has increased by 2ppm (ppm is one part per million) over 2004, reaching 378.9ppm. The Intergovernmental Panel on Climate Change (IPCC) pointed out that if the current emission rate continues, atmospheric CO in 2100 2 The concentration may increase to 540-970ppm. In just ten years, CO in the atmosphere 2 The concentration increases rapidly due to atmospheric CO 2 The global climate change caused by the increase in concentration has become one of the focal points of the relationship between the governme...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G17/00A01G22/00A01G7/06
CPCA01B79/02A01G22/00
Inventor 黄湘马建新李卫红陈亚宁
Owner XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI
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