基于粮食安全与化肥投入的协调发展研究——以毕节地区为例

本研究选取毕节地区为研究区域,分析了化肥投入对粮食安全的重要保障作用,同时也分析了化肥投入对粮食安全存在的负面效应;并选用Pearson相关系数法,探讨了粮食单产与劳动力、农用机械总动力、播种面积、化肥施用量、农村用电量和有效灌溉面积之间的关系。结果表明,化肥施用量与粮食产量之间存在着高度正相关关系,化肥投入是影响粮食产量的最重要因素;该区粮食生产仍然是粗放型生产。最后,本文针对粮食安全问题提出了优化化肥投入的对策措施。

Study on Harmonious Development of Grain Security and Fertilizer Input——A Case Study of Bijie District

In this study,Bijie is selected for the study district.It analysis the important guarantee to grain security of fertilizer input,it also analysis the negative effects on grain security.Then,Pearson correlation coefficients method is selected,to analyze the relationship between per unit area grain yield and agricultural labor,total power of agricultural machinery,sown area,chemical fertilizers,electricity consumption in rural areas and effective irrigation area.The result showed it has highly positive correl...