(Redirect) Soil Advocate Presents Pro-Meat Message at Vegan and Vegetarian EventRead Now
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Annotated Peer-Reviewed Citations for Grazing as a Means of Building Soil Carbon and Mitigating Global Warming
Texas A&M study finds 1.2 tons of carbon per acre per year (1.2 tC/ac/yr) drawdown via properly-managed grazing, and that the drawdown potential of North American pasturelands is 800 million tons (megatonnes) of carbon per year (800 MtC/yr).
Teague, W. R., Apfelbaum, S., Lal, R., Kreuter, U. P., Rowntree, J., Davies, C. A., R. Conser, M. Rasmussen, J. Hatfield, T. Wang, F. Wang, Byck, P. (2016). The role of ruminants in reducing agriculture's carbon footprint in North America. Journal of Soil and Water Conservation, 71(2), 156-164. doi:10.2489/jswc.71.2.156 http://www.jswconline.org/content/71/2/156.full.pdf+html
University of Georgia study finds 3 tons of carbon per acre per year (3 tC/ac/yr) drawdown following a conversion from row cropping to regenerative grazing.
Machmuller, M. B., Kramer, M. G., Cyle, T. K., Hill, N., Hancock, D., & Thompson, A. (2015). Emerging land use practices rapidly increase soil organic matter. Nature Communications, 6, 6995. doi:10.1038/ncomms7995 https://www.nature.com/articles/ncomms7995
Michigan State University study finds 1.5 tons of carbon per acre per year (1.5 tC/ac/yr) drawdown via proper grazing methods, and shows in a lifecycle analysis that this more than compensates for a cow’s enteric emission of methane.
Stanley, P. L., Rowntree, J. E., Beede, D. K., DeLonge, M. S., & Hamm, M. W. (2018). Impacts of soil carbon sequestration on life cycle greenhouse gas emissions in Midwestern USA beef finishing systems. Agricultural Systems, 162, 249-258. doi:https://doi.org/10.1016/j.agsy.2018.02.003