Soil-Surface Carbon Dioxide Efflux of Bioenergy Cropping Systems.
Aaron L.M. Daigh, Dept 7680, PO Box 6050, University of Nebraska-Lincoln, Lincoln, NE, US, Thomas Sauer, USDA-ARS National Laboratory for Agriculture & the Environment, Ames, IA and Robert Horton, Agronomy Department, Ames, IA