九农
九农-
通过对九种农产品的产量与灾害的相关分析以及农产品产量与上一年农产品的收购价格的相关分析得到，农产品收购价格的波动对农产品产量的影响要大于自然灾害的影响。
Based on the analysis of the relation between the output of agricultural products and calamity , and that between the output and the purchasing price of last year , the writer reaches the conclusion that the purchasing price fluctuation effects more on the output than calamity does .