2016 | Paustian, K, Lehmann, J, Ogle, S, Reay, D, Robertson, GP & Smith, P
The article discusses the potential of 'climate-smart' soils as a strategy for mitigating greenhouse gas (GHG) emissions in agriculture. It highlights the role of soil in carbon sequestration and the importance of sustainable soil management practices to reduce emissions of carbon dioxide (CO₂), methane (CH₄), and nitrous oxide (N₂O). The study emphasizes that improved soil management can significantly reduce GHG emissions and enhance carbon storage, while also providing environmental co-benefits such as increased soil fertility, biodiversity, and reduced erosion. The paper outlines various soil management practices that can contribute to climate-smart agriculture, including the use of cover crops, reduced tillage, and the adoption of more efficient nitrogen management. It also discusses the potential of exogenous carbon inputs, such as biochar and compost, to enhance soil carbon stocks and reduce atmospheric CO₂. The article addresses the challenges of quantifying and verifying soil-based GHG mitigation activities, and highlights the need for improved models, technologies, and collaboration to achieve significant GHG reductions. It also emphasizes the importance of understanding the interactions between soil management practices and climate change, and the need for policies that incentivize sustainable agricultural practices. The study concludes that a comprehensive approach to soil management is essential for achieving climate change mitigation goals, and that further research and development are needed to improve predictive models and decision-support tools for effective soil-based GHG mitigation.The article discusses the potential of 'climate-smart' soils as a strategy for mitigating greenhouse gas (GHG) emissions in agriculture. It highlights the role of soil in carbon sequestration and the importance of sustainable soil management practices to reduce emissions of carbon dioxide (CO₂), methane (CH₄), and nitrous oxide (N₂O). The study emphasizes that improved soil management can significantly reduce GHG emissions and enhance carbon storage, while also providing environmental co-benefits such as increased soil fertility, biodiversity, and reduced erosion. The paper outlines various soil management practices that can contribute to climate-smart agriculture, including the use of cover crops, reduced tillage, and the adoption of more efficient nitrogen management. It also discusses the potential of exogenous carbon inputs, such as biochar and compost, to enhance soil carbon stocks and reduce atmospheric CO₂. The article addresses the challenges of quantifying and verifying soil-based GHG mitigation activities, and highlights the need for improved models, technologies, and collaboration to achieve significant GHG reductions. It also emphasizes the importance of understanding the interactions between soil management practices and climate change, and the need for policies that incentivize sustainable agricultural practices. The study concludes that a comprehensive approach to soil management is essential for achieving climate change mitigation goals, and that further research and development are needed to improve predictive models and decision-support tools for effective soil-based GHG mitigation.