THE INFLUENCES OF PRECIPITATION RESOURCE ON GRAIN CROP YIELD IN DRY AREAS OF WESTERN HENAN PROVINCE AND THE COUNTERMEASURES
Li Kehuang, Zhong Zhaozhan
JOURNAL OF NATURAL RESOURCES ›› 1997, Vol. 12 ›› Issue (1) : 23-28.
THE INFLUENCES OF PRECIPITATION RESOURCE ON GRAIN CROP YIELD IN DRY AREAS OF WESTERN HENAN PROVINCE AND THE COUNTERMEASURES
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