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Method of increasing soil carbon sequestration capacity using organic fertilizers

An organic fertilizer and soil technology, applied in the field of biomass organic fertilizer utilization, can solve problems such as increasing soil carbon sequestration capacity

Inactive Publication Date: 2013-06-05
雷学军
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, there is no method to use organic fertilizers to increase soil carbon sequestration capacity at home and abroad.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] For pasture growing areas, the ground surface temperature is still maintained above 10°C after the pasture is withered and yellow in autumn, or the surface temperature reaches above 10°C after warming up in spring. "Grassing" or "punching" to break up the surface and improve soil aeration and water permeability;

[0019] "Combing the grass" draws 50-150 grooves per square meter, with a width of 5-10mm and a depth of 3-10cm; "drilling" 100-160 holes per square meter, with a diameter of 4-8mm and a depth of 5-12cm; And the grassland used should be punched or combed 2 to 3 times before the growing season. After punching and combing grass, a series of small holes and small grooves will be left on the surface of the grass, which is not suitable for dry and hot seasons. Increasing the application of organic fertilizers can increase fertility, loosen the soil, improve soil air permeability, facilitate the renewal of grass roots, and increase soil carbon sequestration capacity...

Embodiment 2

[0021] For areas where trees and shrubs grow, organic fertilizers are applied to increase soil carbon sequestration capacity according to the horizontal and vertical growth of the roots of trees and shrubs. Carry out in autumn when the surface temperature is 10-20°C, or in the early stage of vigorous plant growth in the second year.

[0022] Dig a pit at a distance of 50-100cm from the root of the shrub. The depth of the pit is 30-50cm, and the length and width are 50-100cm. First spread the decomposed organic fertilizer in the pit for 10-30cm, and then backfill the excavated soil and compact it. Dig a pit at a distance of 100-250 cm from the root of the arbor. The depth of the pit is 50-100 cm, and the length and width are 150-250 cm. First spread the decomposed organic fertilizer in the pit for 10-60 cm, and then backfill the excavated soil and compact it. After the organic fertilizer is applied, if the weather is particularly dry, it can be watered appropriately.

Embodiment 3

[0024] For crop cultivation areas, after the harvest of the previous crops, first sprinkle the organic fertilizer on the ground with a thickness of 1-20cm; then plow the soil deeply by 20-50cm; When fertilizing, add 50-200kg of lime per mu to increase the carbon sequestration capacity of the soil.

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Abstract

The invention discloses a method of increasing soil carbon sequestration capacity using organic fertilizers. The principle of the method is that after the organic fertilizers are applied to soil, the soil is improved structurally, the carbon sequestration surface area of soil aggregate is increased, and carbon sequestration capacity is enhanced. Due to the fact that the soil has the capacity for carbon emission remission and the potential for carbon emission reduction and is huge in size, the stability, the growth or release of a soil carbon pool is closely related to changes in CO2 concentration of the atmosphere. Soil organic matters are increased, the capacity, for isolating and absorbing organic carbon, of the oil aggregate is increased, organic compounds are restrained from breaking down into CO2, and therefore a great buffering effect on reduction of the greenhouse effect is achieved.

Description

technical field [0001] The invention belongs to the technical field of biomass organic fertilizer utilization, and in particular relates to a method for increasing soil carbon sequestration capacity by organic fertilizer. Background technique [0002] Global warming has become the focus of people's attention today, and the carbon cycle of terrestrial ecosystems is the core of global climate change research. Farmland ecosystems are an important part of terrestrial ecosystems and play an important role in the global carbon budget. 30% CO in the atmosphere 2 Derived from processes such as changes in agricultural activities and land use patterns. In farmland ecosystems, green plants (crops) fix CO in the atmosphere through photosynthesis 2 , farmland releases CO to the atmosphere through soil respiration 2 . Farmland soil is currently a terrestrial ecosystem that has a large space to mitigate carbon emission capacity and carbon emission reduction potential, and the global a...

Claims

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Application Information

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IPC IPC(8): A01B79/02A01C21/00
Inventor 雷学军
Owner 雷学军
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