PDF(567 KB)
Study on plotting out double maturation cropping regions on wheat and corn in Henan Province
HE Shou-fa, DONG Zhong-dong, ZHAN Ke-hui, CUI Dang-qun
JOURNAL OF NATURAL RESOURCES ›› 2009, Vol. 24 ›› Issue (6) : 1115-1123.
PDF(567 KB)
PDF(567 KB)
Study on plotting out double maturation cropping regions on wheat and corn in Henan Province
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