Nutritional regulation method for carbon sequestration and sink enhancement for wetlands

A nutrient regulation and wetland technology, which is applied in the fields of soil lifting machinery, fertilizer mixture, agricultural machinery and implements, etc., can solve the problems such as few reports on the application of wetland carbon sequestration technology, reduced carbon sequestration and increase function, and wetland degradation, etc. Achieve regional ecological and economic benefits, increase soil carbon storage, and change the effect of the ecological environment

Inactive Publication Date: 2014-04-09
HEILONGJIANG ACAD OF SCI INST OF NATURAL RESOURCES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, human activities dominated by agricultural drainage and reclamation have caused continuous loss of wetlands and serious degradation of wetlands, and the function of carbon sequestration and sinking has been severely reduced
At present, research on carbon sequestration at home and abroad mainly focuses on the breeding of high carbon sequestration plant varieties and artificial planting of trees and grasslands. There are few reports on the applied technology of Hui

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] Embodiment 1: A nutritional control method for wetland carbon sequestration and sink increase of the present invention, the steps are as follows:

[0011] Step 1: Determine the type of wetland, select meadows or swamps without water on the surface (meadows are community types dominated by perennial mesophytes, which are formed and developed under moderate water conditions. Swamps are A vegetation type dominated by marsh plants formed under conditions of excess water or humidity);

[0012] Step 2: Determination of wetland environmental factors: ① Determination of soil water content. At the beginning of May at the beginning of the year, soil was taken from 5-15 cm below the surface vegetation for testing. Fresh soil samples under the vegetation were taken in a soil box (aluminum box), and then tested at 80 Dry at about ℃ to constant weight, soil water content = (soil wet weight - soil dry weight) / soil dry weight x 100%, the soil water content requirement is 60% to 95%, ② ...

Embodiment 2

[0014] Embodiment 2: A nutritional control method for wetland carbon sequestration and sink increase of the present invention, the steps are as follows:

[0015] Step 1: Determine the type of wetland, select meadows or swamps without water on the surface (meadows are community types dominated by perennial mesophytes, which are formed and developed under moderate water conditions. Swamps are A vegetation type dominated by marsh plants formed under conditions of excess water or humidity);

[0016] Step 1: Determine the type of wetland, select meadows or swamps without water on the surface (meadows are community types dominated by perennial mesophytes, which are formed and developed under moderate water conditions. Swamps are A vegetation type dominated by marsh plants formed under conditions of excess water or humidity);

[0017] Step 2: Determination of wetland environmental factors: ① Determination of soil water content. In early May at the beginning of the year, soil was tak...

Embodiment 3

[0019] Embodiment 3: A kind of nutritional control method for wetland carbon sequestration and sink increase of the present invention, the steps are as follows:

[0020]Step 1: Determine the type of wetland, select meadows or swamps without water on the surface (meadows are community types dominated by perennial mesophytes, which are formed and developed under moderate water conditions. Swamps are A vegetation type dominated by marsh plants formed under conditions of excess water or humidity);

[0021] Step 2: Determination of wetland environmental factors: ① Determination of soil water content. At the beginning of May at the beginning of the year, soil was taken from 5-15 cm below the surface vegetation for testing. Fresh soil samples under the vegetation were taken in a soil box (aluminum box), and then tested at 80 Dry at about ℃ to constant weight, soil water content = (soil wet weight - soil dry weight) / soil dry weight x 100%, the soil water content requirement is 75%. R...

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Abstract

The invention aims to provide a nutritional regulation method for carbon sequestration and sink enhancement for wetlands, which includes the steps: selecting a meadow or marsh with no logged water on the surface; determining wetland environmental factors; determining soil water content, taking soil 5-15cm under surface vegetation in early May in the beginning of the year for testing, using a soil box to hold a fresh soil sample under the vegetation, and drying the soil at about 80 DEG C till the soil is in constant weight, wherein the soil water content = (soil dry weight - soil dry weight) / soil dry weightX100%, the soil water content is required to be 60%-95%, and the soil is determined to be in a meadow soil type, Baijiang soil type or marsh soil type; and using nitrogen fertilizer, phosphate fertilizer and potash fertilizer as nutrients, and applying the nutrients according to dosage of the nitrogen fertilizer3.4-4.5kg per mu, the phosphate fertilizer 2.5-3.5kg per mu and the potash fertilizer 2.0-2.5kg per mu. By the method, vegetation coverage of the wetlands can be increased, carbon sequestration of vegetation can be improved, soil carbon storage can be increased, and emission of greenhouse gases can be reduced. The nutritional regulation method is low in investment, low in cost and widely applicable.

Description

(1) Technical field [0001] The invention relates to a wetland carbon fixation and sink increase technology, in particular to a nutritional control method for wetland carbon fixation and sink increase. (2) Background technology [0002] Since the industrial revolution, due to the intensification of large-scale human activities, such as burning a large amount of fossil fuels, deforestation, and land reclamation for agriculture, the natural process of the ecosystem carbon cycle and the inherent carbon balance of the biosphere have been changed, resulting in atmospheric CO 2 、CH 4 and N 2 The continuous increase in the concentration of greenhouse gases such as O has triggered the problem of global change and seriously threatened the survival and sustainable development of human society. As one of the three major ecosystems on the earth, wetlands are one of the most important carbon pools in terrestrial ecosystems, accounting for 12% to 24% of the total carbon storage in terres...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01B77/00C05G1/00
Inventor 倪红伟曾昭文王建波王继丰付晓玲刘赢男朱道光孟祥楠焉志远钟海秀黄庆阳谢立红杨帆崔福星张荣涛柴春荣徐明怡刘峰邢军会
Owner HEILONGJIANG ACAD OF SCI INST OF NATURAL RESOURCES
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