The model had a preferably simulation effect on the process of nitrogen release from cropland organic manures. Jiangsu province was selected as the research region.

• 本研究比较了模拟值与实测值的相关性以及有机肥氮素释放趋势的拟和效果，结果发现，模型对大部分数据有较好的模拟效果，模型可以较好地模拟有机肥氮素动态变化过程。