PDF(492 KB)
Saline-alkali land in the Yellow River Delta:amelioration zonation based on GIS
GUAN Yuan-xiu, LIU Gao-huan, WANG Jin-feng
Journal of Geographical Sciences ›› 2001, Vol. 11 ›› Issue (3) : 313-320.
PDF(492 KB)
PDF(492 KB)
Saline-alkali land in the Yellow River Delta:amelioration zonation based on GIS
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