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两种截冠处理对种子园樟子松幼龄母树生长的影响
阎雄飞,刘永华
Eeffects of Two Top Pruning on Growth of Young Mother Trees in Orchard of Pinus sylvestris var. mongolica
农学学报 . 2019, (10): 42 -47 .  DOI: 10.11923/j.issn.2095-4050.cjas19040017