Energy and Economic Returns by Crop Rotation

September 2012

Ann Johanns, Craig Chase and Matt Liebman for ISU Extension Ag Decision Maker A1-90

Energy and economic returns are presented from 2006-2011 comparing three cropping systems at the ISU Marsden Farm: 2-year conventional corn-soybean rotation and 3- and 4-year rotations that add small grain, red clover and alfalfa. More about this research, which is supported by the Leopold Center.

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The Leopold Center was established by the 1987 Iowa Groundwater Protection Act as a research and education center at Iowa State University to develop sustainable agricultural practices that are both profitable and conserve natural resources. Iowa State does not discriminate on the basis of race, color, age, religion, national origin, sexual orientation, sex, marital status, disability, or status as a U.S. Vietnam Era Veteran. Any persons having inquiries concerning this may contact the Director of Affirmative Action, 3210 Beardshear Hall, (515) 294-7612.

This page was found at http://www.leopold.iastate.edu/pubs-and-papers/2012-09-energy-and-economic-returns-crop-rotation on 01/21/2013