Method for improving organic carbon sequestration for roots of saline tree and shrub plants in arid desert region

A plant root system and organic carbon technology, which is applied in botany equipment and methods, soil preparation methods, plant cultivation, etc., can solve the problem of increasing organic carbon, etc., and achieve the enhancement of the root system's ability to absorb water and nutrients, improve long-term storage, and root growth and development significant effect

Active Publication Date: 2015-09-02
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 tree-growing areas:

[0019] a. Carry out in autumn when the surface temperature is 10°C;

[0020] B. Dig a pit at a distance of 100 cm from the root of the arbor ash poplar. The depth of the pit is 50 cm, and the length and width are 150 cm. In the pit, evenly spread the mycorrhizal fungus inoculant with a thickness of 1 cm, and then dig the soil and backfill it. After the mycorrhizal fungus is inoculated, water , and then carry out follow-up management according to the conventional method.

Embodiment 2

[0022] For halophytic shrub growing areas:

[0023] a. Carry out in autumn when the surface temperature is 10°C;

[0024] B. Dig a pit at a distance of 50 cm from the root of the shrub Saltwood. The depth of the pit is 30 cm, and the length and width are 50 cm. After the mycorrhizal fungus inoculant is evenly spread in the pit by 2 cm, the soil is backfilled and compacted. After the mycorrhizal fungus is inoculated, water Water, and follow-up management can be carried out according to conventional methods.

Embodiment 3

[0026] For areas where halophytic trees grow:

[0027] a. Carry out in autumn when the surface temperature is 15°C;

[0028] B, dig a pit at 200cm from the root of the arbor Populus euphratica, the depth of the pit is 80cm, and the length and width are 200cm. In the pit, evenly sprinkle the mycorrhizal fungus inoculant with a thickness of 2cm, backfill the soil, compact it, and water after the mycorrhizal fungus inoculation. Follow-up management can be carried out according to the conventional method.

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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 fixation of organic carbon in the root system of halophytic arbor and shrub plants in arid desert areas, in particular to a method for microorganisms to improve the fixation of underground organic carbon in plants. Background technique [0002] According to the 2005 Greenhouse Gas Index Report released by the National Oceanic and Atmospheric Administration (NOAA) on May 1, the amount of carbon dioxide (CO2) in the atmosphere in 2005 2 ) average concentration increased by 2ppm (ppm is one part per million) compared with 2004, reaching 378.9ppm. According to the Intergovernmental Panel on Climate Change (IPCC), if current emission rates continue, atmospheric CO 2 The concentration may increase to 540-970ppm. In just a decade, atmospheric CO 2 The concentration increases rapidly due to atmospheric CO 2 The global climate change caused by the increase of concentration has become one of the focuses of...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01B79/02
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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