Works Cited
"Basic Information Climate Change U.S. EPA." U.S. Environmental Protection Agency. 17 May 2009.
Bayer CropScience. 17 May 2009
"The End of Plenty: Special Report The Global Food Crisis." National Geographic June 2009: 26-59.
"A History of American Agriculture: Farm Machinery & Technology." Agriculture in the Classroom. 17 May 2009.
"Basic Information Climate Change U.S. EPA." U.S. Environmental Protection Agency. 17 May 2009
Bayer CropScience. 17 May 2009
"The End of Plenty: Special Report The Global Food Crisis." National Geographic June 2009: 26-59.
"A History of American Agriculture: Farm Machinery & Technology." Agriculture in the Classroom. 17 May 2009
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