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