| 华北落叶松种子园强度疏伐对结实效果的分析 |
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| 引用本文： | 周庆营,刘春利,袁德水,张汝利,张鸿景.华北落叶松种子园强度疏伐对结实效果的分析[J].河北林果研究,2009,24(1):48-50. |
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| 作者姓名： | 周庆营 刘春利 袁德水 张汝利 张鸿景 |
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| 作者单位： | 河北省木兰围场国有林场管理局,河北,围场,068450 |
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| 摘 要： | 对华北落叶松种子园进行强度疏伐，可改善种子园母树光照条件，扩大营养空间，增加母树结实量。对种子园生产建设具有一定的指导意义。
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| 关 键 词： | 华北落叶松 种子园 疏伐 结实量 |
Analysis on the seed effect in heavy thinning of Larix principis-rupprechtii seed orchard |
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| ZHOU Qing-ying,LIU Chun-li,YUAN De-shui,ZHANG Ru-li,ZHANG Hong-jing.Analysis on the seed effect in heavy thinning of Larix principis-rupprechtii seed orchard[J].Hebei Journal of Forestry and Orchard Research,2009,24(1):48-50. |
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| Authors: | ZHOU Qing-ying LIU Chun-li YUAN De-shui ZHANG Ru-li ZHANG Hong-jing |
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| Institution: | Mulan-weichang Forestry Administration of Hebei Province;Weichang 068450;China |
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| Abstract: | Heavy thinning can improve the lighting condition of seed trees in Larix principis-rupprechtii seed orchard .Nourishment space was enlarged.Seed quantity of mother tree was increased.So heary thinning is foundmental to seed orchard managcnent. |
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| Keywords: | Larix principis-rupprechtii Mayr seed orchard thinning seed quantity |
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