Abstract:As a large country, the impact of China‘s agricultural practice on atmospheric N 2O would be highly significant. Field measurements of N 2O emission from agricultural land have been carried out. However, it is still difficult to estimate the total soil emission of N 2O in China from these field measurement because of the diversity of climate and cultivation practices that control soil N 2O emission. In this study, in order to estimate N 2O emission more accurately, a process oriented model DNDC (Den...