Variation of Leaf Area Index of Gansu Poplar and Its Relation to Water Consumption during Growing Season in the Middle Reaches of Heihe River
CHANG Xue-xiang, ZHAO Wen-zhi, ZHAO Ai-fen
JOURNAL OF GLACIOLOGY AND GEOCRYOLOGY . 2006, (1): 85 -90 .  DOI: 10.7522/j.issn.1000-0240.2006.0012

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