Diurnal Patterns of Heterotrophic and Autotrophic Soil Respiration in Maize and Switchgrass Bioenergy Cropping Systems

Adam C von Haden1, Erika Marin-Spiotta2, Randall D Jackson2 and Christopher J Kucharik3, (1)University of Wisconsin Madison, Department of Soil and Environmental Sciences, Madison, WI, United States, (2)University of Wisconsin Madison, Madison, WI, United States, (3)University of Wisconsin Madison, Department of Agronomy, Madison, United States