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Emission of Greenhouse Gases from Soil: An Assessment of Agricultural Management Practices

Publication Date Jan 1, 2020

Abstract

Increasing concentrations of the atmospheric greenhouse gases (GHGs) are serious threats to the living beings and their niches. The rapid increase in GHGs is undoubtedly related to anthropogenic activities. Literature related to GHG emissions and mitigation approaches is widely available, but very few reviews concentrated on spatial-temporal trends of GHG emission from the agriculture sector. Agriculture is a potent contributor to GHG emissions, involving different agricultural practices followed by the farmers, which affect the rate of emission either positively or negatively. Agricultural soil management practices add excess nutrients, which disturb the natural mineral cycling leading to soil and water pollution and increase emission from soil to atmosphere, thus contributing to climate change. Research papers and reports related to GHG emission from different agricultural sectors in different parts of the world were reviewed to find the variations in emission pattern and intensities, and the factors influencing the emissions from the soil. The soil GHG emissions are directly or indirectly modified by natural as well as anthropogenic factors, like pH, soil texture, tilling, fertilizer application, mulching, irrigation, etc. The determinants taking part in the soil GHG emissions varied with region and different agricultural practices. Different mitigation approaches for GHGs from the agriculture sector were also compared for their efficacy in reducing emissions. A variety of advanced techniques developed to enhance the yiel...

Concepts

Agricultural Practices Greenhouse Gases Greenhouse Gases Emissions Soil Greenhouse Gases Emissions Agriculture Sector Anthropogenic Factors Agricultural Management Practices Mitigation Approaches Emission Pattern Water Pollution Emission

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No potential conflict of interest was reported by the authors. The conception and design of the study, acquisition of data, analysis and interpretatio...

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