SRP-4: Background Research Paper-Sources

Aman. “The Effects of Electricity on Plants.” scienceforums.net. Science Forums.    24 Oct. 2003. Web. 15 Oct. 2011.

Hile, K. The Handy Weather Answer Book: Your Smart Reference. 2^nd ed. Canton,   MI: Visible Ink Press, 2009. Print.

“Lightning Induced Reduction of Phosphorus in Soil.” www.nature.com. Web.        Feb. 2012.

“Nitrate in Soils and Plants.” Missouri.edu. University of Missouri Extension. Oct.         1993. Web. 28 Nov. 2011

“What is Fertilizer and Why Do Plants Need It?” howstuffworks.com. Web. Feb.        2012.