
Application of 3S Technology in Survey of Crop Planting Structure of Ningxia Yellow River Irrigation Region
MA Xiaoyang;SUN Xueping;CHEN Liang
Yellow River ›› 2014, Vol. 1 ›› Issue (11) : 135-137.
Application of 3S Technology in Survey of Crop Planting Structure of Ningxia Yellow River Irrigation Region
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