Cited: Abel, Charles. “Organic under attack.” Volume 137 Issue 14. “Farmers Weekly.” Reed Business Information. October 2002. Bengtsson, Janne. “The effects of organic agriculture on biodiversity and abundance: a meta- analysis.” Journal of Applied Ecology. Volume 42 Issue 2. Department of Ecology and Crop Production Science. April 2005. Kunstler, James Howard. The Long Emergency: Surviving the Converging Catastrophes of the Twenty-first Century. New York: Atlantic Monthly, 2005. Print. "Simply Hydroponics - What Is Hydroponics?" Hydroponics Systems from Simply Hydro - Buy Online and Save. Web. 01 Dec. 2010. . "What Are the Advantages of Rooftop Gardening?" WiseGEEK: Clear Answers for Common Questions. Web. 01 Dec. 2010. .
Cited: Abel, Charles. “Organic under attack.” Volume 137 Issue 14. “Farmers Weekly.” Reed Business Information. October 2002. Bengtsson, Janne. “The effects of organic agriculture on biodiversity and abundance: a meta- analysis.” Journal of Applied Ecology. Volume 42 Issue 2. Department of Ecology and Crop Production Science. April 2005. Kunstler, James Howard. The Long Emergency: Surviving the Converging Catastrophes of the Twenty-first Century. New York: Atlantic Monthly, 2005. Print. "Simply Hydroponics - What Is Hydroponics?" Hydroponics Systems from Simply Hydro - Buy Online and Save. Web. 01 Dec. 2010. . "What Are the Advantages of Rooftop Gardening?" WiseGEEK: Clear Answers for Common Questions. Web. 01 Dec. 2010. .