Study on Crown Prediction Model of Main Tree Species in Songshan Nature Reserve in Beijing
WANG Yuan1, WANG Xiulan1*, FENG Zhongke1, SUN Sufen2, ZHANG Lang3,4, LIU Peibin5
Journal of Agricultural Science and Technology . 2020, (4): 94 -101 .  DOI: 10.13304/j.nykjdb.2018.0722

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