G Richard Smith

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The potential to sequester atmospheric carbon in agricultural and forest soils to offset greenhouse gas emissions has generated interest in measuring changes in soil carbon resulting from changes in land management. However, inherent spatial variability of soil carbon limits the precision of measurement of changes in soil carbon and hence, the ability to(More)
Analyses of expenditures from the historic tobacco Master Settlement Agreement (MSA) demonstrate the difficulties in achieving support for long-term disease prevention and health promotion initiatives. We report as a policy case study the successful development, political execution, and program deployment of new state health programs funded by Arkansas' MSA(More)
Joint collecting expeditions to improve the genetic diversity of Trifolium species in the U.S. National Plant Germplasm System (NPGS) were carried out in Bulgaria by scientists of the USDA-ARS, University of Florida, Texas A&M University, and Institute of Introduction and Plant Genetic Resources (IIPGR), Bulgaria, on 14–27 July 1990 and 30 July – 13 August(More)
© The Ecological Society of America www.frontiersinecology.org T atmosphere is, by its very nature, a global commons (Hardin 1968) and addressing rising atmospheric greenhouse-gas (GHG) concentrations requires international cooperation among the major carbon (C)-emitting countries. One mechanism that has been widely considered for mitigating climate change(More)
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