%0 Journal Article %T Energy Inputs in Food Crop Production in Developing and Developed Nations %A David Pimentel %J Energies %D 2009 %I MDPI AG %R 10.3390/en20100001 %X Detailed energy outputs and inputs were assessed for the following crops, cultured in the U.S. and developing countries: corn, wheat, rice, soy, potato, cassava, tomato, citrus and apple. In addition, the labor input for each crop was analyzed. %K Agriculture %K crops %K developed and developing countries %K energy %K food %K renewable energy %U http://www.mdpi.com/1996-1073/2/1/1