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Nutrients Assessment of Pear Orchard Soil on the Loess-gully Region of Shanxi: A Case of Xi County
杨海波,王 媛,聂磊云,梁芊,赵龙龙,孟利峰,白 娟
Chinese Agricultural Science Bulletin . 2018, (22): 89 -96 .  DOI: 10.11924/j.issn.1000-6850.casb17070093