About the Cover
Cover: Aerial view of a crop sequencing experiment near USDA-ARS Northern Great Plains Research Laboratory, Mandan, ND. The experiment involved the evaluation of crop sequencing effects of 10 crops on various agronomic and environmental parameters using a crop × crop residue matrix design. The experiment and associated symposium papers are reviewed by Liebig et al. (see 899–943, “Dynamic Cropping Systems for Soil and Water Conservation”). Photo credit: Justin Hartel/Marv Hatzenbuhler.
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Copyright © 2007 by the American Society of Agronomy.