N2 Fluxes From Amazon Cropland Are a Significant Component of Watershed N Budgets.

Rebecca J Fox1, Christopher Neill2, Marcia Macedo2, Eric A Davidson3, Paul Lefebvre4, KathiJo Jankowski5 and Leonardo Maracahipes-Santos6, (1)Washington College, Chestertown, MD, United States, (2)Woods Hole Research Center, Falmouth, MA, United States, (3)University of Maryland Center (UMCES) for Environmental Science, Frostburg, MD, United States, (4)The Woods Hole Research Center, Falmouth, MA, United States, (5)USGS Upper Midwest Environmental Sciences Center, La Crosse, WI, United States, (6)IPAM Amazonia, Canarana, Brazil