Oxygen and nitrogen isotope effects duing nitrification and denitrification occuring in Midwesern soils

Greg Michalski, Purdue University, Earth, Atmospheric & Planetary Sciences, West Lafayette, IN, United States, Ben Wilkens, Purdue University, EAPS, West Lafayette, IN, United States, Axel Vera Sanchez, University of Puerto Rico Ri­o Piedras, Chemistry, San Juan, PR, United States and Joeseph Yount, University of West Florida, Chemsitry, Pensacola, FL, United States