
Changes of multiple cropping in Huang-Huai-Hai agricultural region, China
Huimin YAN, Fang LIU, Zhongen NIU, Fengxue GU, Yanzhao YANG
Journal of Geographical Sciences ›› 2018, Vol. 28 ›› Issue (11) : 1685-1699.
Changes of multiple cropping in Huang-Huai-Hai agricultural region, China
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