redOrbit: More of the fertilizers and pesticides used to grow corn would find their way into nearby water sources if ethanol demands lead to planting more acres in corn, according to a Purdue University study. The study of Indiana water sources found that those near fields that practice continuous-corn rotations had higher levels of nitrogen, fungicides and phosphorous than corn-soybean rotations. Results of the study by Indrajeet Chaubey, an associate professor of agricultural and biological …