Grey Correlation Dynamic Analysis on Influencing Factors of Grain Production in He' nan Province
Based on the statistical data of grain production and main influencing factors of He' nan Province since the beginning of reform and opening up, the grey correlation dynamic analysis was discussed And then we averaged divided the 30 years into three stages, and picked out 10 or 9 main influencing factors to make grey dynamic analysis and comparison respectively. The result indicated that it is important for He' nan Province to maintain the area and labor force for yield and crops production. Furthermore, It is urgent to strengthen agricultural science and technology input and accelerate the change from traditional to modem agriculture,and pay close at-tentation to the grain influence of dosage of pesticide and fertilizers.
He' nan Provincegrain productiongrey correlation dynamic analysis