Li, Qiufang; Kang, Guolei; Li, Xiaofang; Li, Bingjun - In: Asian Agricultural Research 1 (2009) 05
The authors analyze the existing problems and macroscopic influencing factors in grain production of Henan Province, and then carry out an empirical study on the correlation between grain production and eight influencing factors in Henan Province of China by using the gray correlation analysis...