Project supported by the Knowledge Innovation Program of the Chinese Academy of Sciences (No. KZCX2-413-3);the National Key Basic Research Support Foundation (NKBRSF) of China (No. G1999011803) ; the Australian Centre for
Ammonia (NH3) volatilization, denitrification loss, and nitrous oxide (N2O) emission were investigated from an irrigated wheat-maize rotation field on the North China Plain, and the magnitude of gaseous N loss from de...