Presented live at the 2011 USDA Organic Farming Systems Conference by Dr. John Reganold, Washington State University. For all recordings visit http://www.extension.org/pages/33545/usda-organic-farming-systems-conference-...
domingo, 13 de novembro de 2011
Comparing Organic and Conventional Agriculture in the U.S: What Can We Measure?
Presented live at the 2011 USDA Organic Farming Systems Conference by Dr. John Reganold, Washington State University. For all recordings visit http://www.extension.org/pages/33545/usda-organic-farming-systems-conference-...
