Managing Soil Carbon
Rattan LalCarbon Management and Sequestration Center, School of Natural Resources, The Ohio State University, Columbus, OH 43210W. Michael GriffinTepper School of Business, Carnegie Mellon University, Pittsburgh, PA 15213Jay AptDepartment of Engineering and Public Policy, Carnegie Mellon University, Pittsburgh, PA 15213, USALester LaveDepartment of Engineering and Public Policy, Carnegie Mellon University, Pittsburgh, PA 15213, USAM. Granger MorganDepartment of Engineering and Public Policy, Carnegie Mellon University, Pittsburgh, PA 15213, USA
2004en
ABI
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Current farming practices deplete soil carbon, which degrades soil quality, reduces productivity, and results in the need for more fertilization, irrigation, and pesticides. No-till farming with residue mulching would reverse these effects by slowing soil erosion and pollution runoff, benefiting aquatic ecosystems, improving agronomic productivity, and achieving food security. The authors of this Policy Forum urge support for its wider use. Although there may be short-term yield reductions in some soils and climates, this is a win-win opportunity for the vast majority of the 95% of the cropland that does not use these more sustainable practices.
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