The Estimation of Saving Water Resources Because of Substitute Planting of Potato Instead Winter Wheat in the Funnel Area of the North China Plain
GUO Yan\|zhi, WANG Xiao\|hu*, SUN Jun\|mao
. 2014, (6): 159 -163 .  DOI: 10.13304/j.nykjdb.2014.378

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