解放以来,宁夏粮食产量出现了几次大的波动。我们通过本项研究,分析了波动原因,找出了影响产量的气候因素,并对当年的农业气象产量作出预测,供生产上参考。一、资料来源及处理宁夏的粮食产量来自宁夏统计局公布的资料。由于解放后宁夏行政区划的变化和统计方法的不同,给工作带来许多困难。为便 Since liberation, there have been several major fluctuations in grain output in Ningxia. Through this study, we analyzed the causes of the fluctuations and found out the climatic factors that affect the yield, and forecast the current agricultural meteorological production for the reference of production. First, the sources and processing Ningxia’s grain output from the Ningxia Bureau of Statistics published information. Due to the different administrative divisions and statistical methods in Ningxia after the liberation, many difficulties are brought to the work. So easy