桥山林区油松采种基地结实原因及调查分析 |
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引用本文: | 贾玉玲 朱建罡 付晓兵 马春荣. 桥山林区油松采种基地结实原因及调查分析[J]. 现代园艺, 2014, 0(14): 218-219 |
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作者姓名: | 贾玉玲 朱建罡 付晓兵 马春荣 |
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作者单位: | 延安市桥山林业局,陕西黄陵727300 |
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摘 要: | 近年来,山西、陕西等省份油松种子产量较正常年份减少幅度较大,有些地方甚至绝收,已严重地阻碍了林业生态工程建设步伐。本文就桥山林区油松采种基地结实原因进行分析调查。
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关 键 词: | 桥山林区 油松 结实原因 调查分析 |
Bridge mountain forest pinus tabulaeformis seed base solid reason and analysis |
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Abstract: | In recent years, shanxi, shaanxi of pinus tabulaeformis production provinces, such as pinus tabulaeformis seed production in a normal year decrease rate is bigger, some places even rejection, which has severely hindered the construction of forestry ecological engi- neering, now on bridge mountain forest pinus tabulaeformis sed base strong reason analysis of the investigation. |
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Keywords: | Bridge mountain forest region Pinus tabulaeformis Strong reasons Investigation and analysis |
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