| 杉木良种推广造林效益分析 |
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| 引用本文： | 郑德良.杉木良种推广造林效益分析[J].浙江林业科技,1994,14(4):55-59. |
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| 作者姓名： | 郑德良 |
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| 作者单位： | 浙江省临安县林业局 |
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| 摘 要： | １５年来，浙江省临安县共推广杉木良种造林１．８４万ｈｍ２，占同期杉木造林的５２．９％，１５年生种子园混系子代遗传增益１８．１１％，累计增加产值２７５６．７万元，预计到轮伐期满的第２０年可增产值９８１０．６万元．
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| 关 键 词： | 种源，家系，无性系，良种推广，遗传增益 |
Analysis on Forestation Effect of Improved Chinese Fir Variety |
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| Zheng Deliang.Analysis on Forestation Effect of Improved Chinese Fir Variety[J].Journal of Zhejiang Forestry Science and Technology,1994,14(4):55-59. |
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| Authors: | Zheng Deliang |
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| Abstract: | ha in Linan, Zhejiang province have been forestated with improved Chines fir (Cunninghamia lanceolata) variety from 15 years, which was 52.9% of chinese fir forestation area. 15-years orchard could increase 18 .11% benefit by genetic,output value increased 27,560,000 yuan. 98,106,000,yuan of output value was predicted to be reached inthe 20th year. |
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| Keywords: | provenance family clone improved variety genetic |
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