Sap Flux Density Characteristics of Apple Orchards and Their Relationship with Environmental Factors in Gully Region of Loess Plateau
WANG Mengmeng1, DANG Hongzhong2*, LI Gangtie1, FENG Jinchao2, YAN Jingqiuzi1, HU Yang1, LI Xing1, YANG Chao1
Journal of Agricultural Science and Technology . 2020, (7): 140 -147 .  DOI: 10.13304/j.nykjdb.2019.0467

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