Study on the Effects of Different Factors on Carbon Pools in Terrestrial Ecosystems

Lei Shi; Liheng Xia

doi:10.54691/brrk1p19

Authors

Lei Shi
Liheng Xia

DOI:

https://doi.org/10.54691/brrk1p19

Keywords:

Intensive Agriculture; Plant Inputs; Organic Matter Inputs.

Abstract

Soil is the largest carbon pool in terrestrial ecosystems, and it is particularly important to study soil carbon pools. In this study, we investigated the effects of intensive agriculture, plant inputs and organic matter inputs on the soil organic carbon pool, and the results showed that intensive agriculture increased the soil carbon pool and soil organic matter content to a certain extent, and increased the rate of carbon sequestration in the soil, but intensive agriculture made the soil more prone to erosion, resulting in the loss of soil nutrients; the plant inputs were mainly in the form of root secretion, fine roots and coarse heeled debris, resulting in the increase of carbon stock in the soil; the organic matter inputs increased the carbon stock and the rate of carbon sequestration in the soil, and the organic matter inputs increased the carbon stock and the rate of carbon sequestration in the soil. Plant inputs are mainly in the form of root secretions, fine roots and coarse heeled debris, resulting in an increase in soil carbon stocks; organic material inputs increase soil carbon stocks and sequestration rates, while organic materials can increase the stability of soil aggregates, which can better realize the transfer of nutrients, retain water, and promote the growth of the crop root system, but organic material inputs will increase soil porosity and accelerate the loss of soil nutrients.

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