Annual variability of carbon exchanges over the bioenergy crops and standard row crops

Guler Aslan Sungur1, Emily Heaton2,3, Nicholas N Boersma4 and Andy VanLoocke1, (1)Iowa State University, Ames, IA, United States, (2)Iowa State University, Ames, United States, (3)University of Illinois at Urbana Champaign, Urbana, United States, (4)Iowa State University, Agronomy, Ames, United States