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“Gene Logsdon’s Holy Shit.” Youtube. Youtube, n.d. Web. 10 May 2014.
Logsdon, Gene. Holy Shit. Montpelier: Chelsea Green Publishing, 2010. Print.
Manure, a Field in Randers in Denmark. 2002. Wikipedia. Web. 11 May 2014.
Massey Ferguson 5475 Tractor. 2009. Wikipedia. Web. 10 May 2014.
Manure Happens. 2010. Jackson Soil and Water. Web. 12 May 2014.
“Manure Provides Higher Returns Than Chemical Fertilizers.” Science Daily. Science Daily,
29 June 2010. Web. 8 May 2014.
“Manure Solution.” Utah Water Quality. Utah State University, n.d. Web. 10 May 2014.
Mikkelsen, Rob. Manure. 2003. The history of American Fertilizers. Web. 10 May 2014.
Schedler, Brennen. Manure Project. Blogspot, n.d. Web. 9 May 2014.
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2014.
Vermicompost Manure. 2002. Tao Honey. Web. 11 May 2014.
Weller, Keith. Cow. 2002. Wikipedia. Web. 11 May 2014.