| 油松示范林早期生长优势分析 |
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| 引用本文： | 俞兆忠,苏海宏.油松示范林早期生长优势分析[J].甘肃林业科技,1998,23(4):5-7. |
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| 作者姓名： | 俞兆忠 苏海宏 |
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| 作者单位： | 子午岭林管局正宁分局中湾林科所 |
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| 摘 要： | 对不同来源的油松种子营建的早期示范林，经过苗期和幼林期生长情况调查，结果表明：７年生的油松示范林，早期生长优势以种子园种子营建的幼林为最好；其次是优树种子和母树林种子营造的幼林；而以天然林种子营造的幼林较差。
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| 关 键 词： | 油松 示范林 早期生长优势 |
Analysis on Growth Dominance in Early Stage of Pinus tabulaeformis Demonstration Forest |
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| Yu Zhaozhong,Su Haihong.Analysis on Growth Dominance in Early Stage of Pinus tabulaeformis Demonstration Forest[J].Journal of Gansu Forestry Science and Technology,1998,23(4):5-7. |
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| Authors: | Yu Zhaozhong Su Haihong |
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| Abstract: | In this paper, the investigation of growth in seedling stage and young tree stage of early Pinus tabulaeformis demonstration forest which planted with different source seed had been made.The results indicated that the early growth dominance of 7 year Pinus tabulaeformis demonstration forest put in this order according to its seed source: seed orchard, dominant tree and collection stand, natural forest. |
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| Keywords: | Pinus tabulaeformis Demonstration forest Early growth dominance |
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