PDF(590 KB)
STUDIES ON THE NORTH AGROCLIMATIC BOUNDARIES OF WINTER WHEAT IN LIAONING, BEIJING AND HEBEI
Wang Hong
GEOGRAPHICAL RESEARCH ›› 1982, Vol. 1 ›› Issue (4) : 37-44.
PDF(590 KB)
PDF(590 KB)
STUDIES ON THE NORTH AGROCLIMATIC BOUNDARIES OF WINTER WHEAT IN LIAONING, BEIJING AND HEBEI
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