| 胡杨优树选择的研究 |
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| 引用本文： | 孙雪新,李毅,康向阳.胡杨优树选择的研究[J].甘肃农业大学学报,1993(2). |
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| 作者姓名： | 孙雪新 李毅 康向阳 |
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| 作者单位： | 甘肃农业大学林学院,甘肃农业大学林学院,甘肃农业大学林学院 |
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| 摘 要： | 根据胡杨(Populus enphratice Oliv)天然林和人工林的生长特点,在胡杨优树选择过程中,分别采用“三因子”法和4株大树对比法,而以“三因子”法为主的选优方法,选出胡杨表型优树19株。
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| 关 键 词： | 优树选择 “三因子”法 大树对比法 |
The Selection about the Plus Tree of Populus eiiphratica |
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| Sun Xuexin Li yi Kang Xiangyang.The Selection about the Plus Tree of Populus eiiphratica[J].Journal of Gansu Agricultural University,1993(2). |
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| Authors: | Sun Xuexin Li yi Kang Xiangyang |
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| Abstract: | Based on the growth properties about natural and artificial crops of Populus euphratica, we respectively used the method of"three factors"and 4 big trees comparison to select the poplar plus.Applying the"three factors", nineteen plus trees were selected. |
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| Keywords: | plus tree selection method of three factors methocl of big trees comparison |
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