Journal
CRITICAL REVIEWS IN ENVIRONMENTAL SCIENCE AND TECHNOLOGY
Volume 52, Issue 1, Pages 1-49Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/10643389.2020.1811590
Keywords
Soil carbon sequestration; agricultural management practices; remote sensing and simulation models
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This article aims to disseminate ideas about the current carbon status, identify research priorities, and discuss the pros and cons of agricultural management practices for better implementation of soil carbon sequestration strategies to mitigate the consequences of climate change.
Toward an attempt to limit the global warming to 2 degrees C, there has been an increasing emphasis on devising suitable policies and practices for entrapment and storage of atmospheric CO(2)to mitigate the detrimental effects of climatic change. Agriculture being a predominant global land use, C sequestration under different agro-ecosystems through appropriate management practices is an important option to combat the anthropogenic climate change. Conservation tillage along with residue management, stubble retention, mulching, organic farming and integrated nutrient management not only facilitates soil C storage but also improves soil health. Change in land-uses and cropping system also impart notable effects on soil C turnover. Biochar application is found effective in augmenting soil C stock and improving soil aggregation. Bioenergy plantations are also effective in sequestering C. Simulation models and remote sensing are innovative tools for predicting and mapping soil C status and identifying site-specific strategic policies to minimize the risk of land degradation and to maintain environmental sustainability. Therefore, the aim of this review is to disseminate ideas regarding current C status, identify researchable priorities and to deliberate pros and cons of agricultural management practices for better implementation of soil C sequestration strategies for mitigating the consequences of climate change.
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