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Method for increasing organic carbon sequestration of roots of halophyte herbaceous plants in arid desert regions

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

Active Publication Date: 2015-09-09
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] In areas where the halophytic herbaceous chrysanthemum plants grow densely:

[0019] a. At the end of spring, the surface temperature is maintained at 20°C, and excavation is carried out in areas where the saline herb Hexichrysanthemum grows densely, and the excavation is every 5m 2 Draw a ditch with a width of 0.5m and a depth of 3cm;

[0020] b. During the growth season of the saline herb Hexichrysanthemum plant, carry out 2 times of excavation, spread the mycorrhizal fungus inoculant evenly in a thickness of 1cm in the excavation zone, then dig and backfill, then water, and then follow the conventional method Carry out follow-up management, promote plant root growth by evenly spreading mycorrhizal fungal inoculants, increase root-to-shoot ratio, and improve long-term storage of underground organic carbon.

Embodiment 2

[0022] In areas where the saline herb silique plants grow densely:

[0023] a. At the end of spring, the surface temperature is maintained at 20°C, and drilling is carried out in areas where the halophytic herbaceous silique plant grows densely. Use a Luoyang shovel for drilling every 5m 2 Drill 5 points, the size of each point is 8mm, and the depth is 5cm;

[0024] b. During the growth season of the saline herb silique quinoa plant, carry out 2 times of drilling, evenly sprinkle the mycorrhizal fungus inoculant with a thickness of 1.5cm in the drilling hole, then dig the soil and backfill, then water, and then press Subsequent management is carried out by conventional methods, and the growth of plant roots is promoted by evenly spreading mycorrhizal fungal inoculants, increasing the root-to-shoot ratio, and improving the long-term storage of underground organic carbon.

Embodiment 3

[0026] In areas of dense growth of halophyte saponins:

[0027] a. At the end of spring, the halophytic herbaceous saponica plant grows to 10cm, and the strips are dug, and the strips are every 5m 2 Draw a ditch with a width of 1m and a depth of 10cm;

[0028] b. During the growing season of the halophytic herbaceous saponica plant, carry out 3 times of digging, spread the mycorrhizal fungus inoculant evenly in a thickness of 2cm in the dug belt, then dig and backfill, then water, and then follow the conventional method Carry out follow-up management, promote plant root growth by evenly spreading mycorrhizal fungal inoculants, increase root-to-shoot ratio, and improve long-term storage of underground organic carbon.

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Abstract

The invention relates to a method for increasing organic carbon sequestration of roots of halophyte herbaceous plants in arid desert regions. According to the method, for halophyte herbaceous plant growth regions of hexinia polydichotoma, ceratocarpus arenarius, agriophyllum squarrosum, or alhagi sparsifolia, the land surface temperature in late spring is maintained at 20 DEG C, or herbaceous vegetation grows to 10 cm, digging or drilling is performed, digging or drilling is performed again in the growing season, then mycorrhizal fungi inoculants are uniformly scattered in dug bands or drilled holes, and soil is dug, backfilled, and tamped. According to the method, plant underground root growth and microbe activity have the "rhizosphere effect" and can promote each other, the mycorrhizal fungi inoculants are employed to increase the quantity and activity of microbes near underground plant roots, the plant underground roots are effectively promoted to absorb water and nutrients, the accumulation of the underground root biomass is increased, the underground organic carbon storage is increased, and the loss brought by the decrease of the underground organic carbon fixation ability due to vegetation decline is compensated.

Description

technical field [0001] The invention relates to a method for increasing the fixation of organic carbon in the roots of halophytic herbaceous plants in arid desert areas, in particular to a method for microorganisms to improve the fixation of underground organic carbon. 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 the relationship bet...

Claims

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Application Information

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IPC IPC(8): A01G1/00
CPCA01G22/00
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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