Method for improving carbon fixation and carbon sink enhancement capabilities of bamboo forest

A bamboo forest and capacity technology, applied in the field of soil management of agricultural and forestry ecosystems, can solve the problems of weak research on biochar application technology, and achieve the effects of improving soil productivity, improving health, and improving yield and quality

Inactive Publication Date: 2017-05-31
ZHEJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY
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Problems solved by technology

In recent years, the application of biochar in the field has been widely researched and applied in the cultivation of rice and other crops and agricultural soil management, but the research on biochar application technology in forest soil such as bamboo forests is relatively weak

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  • Method for improving carbon fixation and carbon sink enhancement capabilities of bamboo forest

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Embodiment Construction

[0018] The present invention further illustrates the technical scheme through the following specific embodiments. The quantitative data in the following embodiments are all provided with three repeated experiments, and the results are averaged.

[0019] For the preparation of biochar, collect corn stalks and dry them, put them in a biochar furnace, and calcine them at a temperature of 550°C under inert gas conditions to obtain corn stalk biochar, which is ready for use; the biochar used in the following experiments is Corn stover biochar.

[0020] Test design:

[0021] In this experiment, the compound fertilizer and corn stalk biochar were applied together. The basic properties of corn stalk biochar are shown in Table 1, and the effect of corn stalk biochar on the organic carbon content and storage of each soil layer in Moso bamboo forestland was studied.

[0022] Select representative typical moso bamboo pure forests with basically the same site conditions for sample plot se...

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Abstract

The invention discloses a method for improving the carbon fixation and carbon sink enhancement capabilities of a bamboo forest. The method includes the following steps: 1, biological carbon preparation, wherein crop straw, pruned branches and animal manure organic biomass are collected, dried, then placed in a biological carbonization furnace respectively, calcined and then carbonized to obtain biological carbon; 2, bamboo forest land selection which includes the steps of building the bamboo forest, transforming low-yield or degraded bamboo forest land and bamboo forest maintenance; 3, fertilization method and fertilization time. According to different characteristics of phyllostachys pubescens forest land, a biological carbon application method and a corresponding management measure are specifically designed so as to improve and fertilize bamboo forest soil and improve the soil productivity, positive effects of carbon sink enhancement and emission reduction are achieved, the resource utilization of forestry and agricultural residues is achieved, the forest soil is improved, the yield and quality of bamboo products are improved, the health level of a bamboo forest soil carbon pool and the health level of the ecological system are improved, and the method has a significant carbon sink function.

Description

technical field [0001] The invention belongs to the technical field of soil management of agricultural and forestry ecosystems, and in particular relates to a method for improving the ability of bamboo forests to fix carbon and increase sinks. Background technique [0002] The "Carbon-negative" effect of biochar on the environment is its most important function. Through high-temperature pyrolysis, the easily degradable biomass is converted into more stable biochar that is difficult to degrade, and the atmospheric Carbon is fixed in the soil for a long time, achieving the purpose of reducing greenhouse gas emissions. According to research, the CO production of biomass gas and carbon cogeneration conversion technology 2 The emission reduction exceeds 40 g / MJ, and the biochar carbon emission reduction potential of crop straw per ton of straw raw material CO 2 The equivalent is 0.86-0.89 t (Roberts et al., 2010), equivalent to 57.7-60.1 g / MJ. The total amount of agricultural...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01B79/02
CPCA01B79/02Y02A40/22Y02P60/40
Inventor 单胜道张敏施拥军柴彦君
Owner ZHEJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY
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