| 杨树短轮伐期萌芽更新造林与插干造林对比试验 |
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| 引用本文： | 龚细娟 翁文源 宋国宝,肖 毅 张护战 彭立新.杨树短轮伐期萌芽更新造林与插干造林对比试验[J].湖北林业科技,2023,1(1):8-12. |
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| 作者姓名： | 龚细娟 翁文源 宋国宝 肖 毅 张护战 彭立新 |
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| 作者单位： | (湖南茂源林业有限责任公司 岳阳 414002) |
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| 摘 要： | 为了探索洞庭湖区杨树不同更新模式的可行性，对XL-90杨萌芽更新造林与插干造林的林分生长及经济效益进行对比研究。萌芽更新造林每个伐桩保留2个萌条，成林后实际密度1 170株·hm-2;插干造林株行距为4 m×3 m,平均株数840株·hm-2。结果表明，更新造林4 a,萌芽更新的胸径、树高、单株材积和单位蓄积依次为17.47 cm、14.62 m、0.143 5 m3和167.93 m3·hm-2,分别比插干造林高6%、2%、14%和59%,单位面积利润高达26 890元·hm-2,是插干造林的3倍。综上所述，XL-90杨在洞庭湖区适宜短轮伐期萌芽更新造林。
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| 关 键 词： | 杨树 短轮伐期 萌芽更新 插干造林 |
| 收稿时间： | 2022/7/13 0:00:00 |
ComparativeTrialofPoplarShortRotationSproutRegeneration underSproutMethodandCutageForestation |
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| Gongxiuan WengWenyuan SongGuobao,xiaoYi ZhangHuzhan PengLixin.ComparativeTrialofPoplarShortRotationSproutRegeneration underSproutMethodandCutageForestation[J].Hubei Forestry Science and Technology,2023,1(1):8-12. |
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| Authors: | Gongxiuan WengWenyuan SongGuobao xiaoYi ZhangHuzhan PengLixin |
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| Institution: | (HunanMaoyuanForestryCo.,Ltd Yueyang 414002) |
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| Abstract: | Inordertoexp1orethefeasibi1ityofdiferentregenerationmodesofpop1arinDongtingLakearea,thestand growthandeconomicbenefitsof xL-90pop1arregenerationundersproutmethodandcutageforestationwerecom- pared.Twosproutswereretainedforeachstumpintheregenerationundersproutmethod,andtheactua1densitywas1 170 p1ants·hm-2 afteraforestation;Therowspacingofthecutageforestationis4 m×3m,andtheaveragenumberis840 p1ants · hm-2 .Theresu1tsshowedthattheDBH,treheight,individua1vo1umeandunitvo1umeoftheregenerationun- dersproutmethodwere17.47cm,14.62m,0.1435m3 and167.93m3 · hm-2 ,respective1y,whichwere6 %,2%,14% and59% higherthanthoseofthecutageforestation.Theprofitperunitareawas26890yuan · hm-2 ,whichwasthre timeshigherthanthatof thecutageforestation.Insummary,xL-90pop1arissuitab1eforthecutageforestationin DongtingLakeareaduringshortrotation. |
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| Keywords: | pop1ar shortrotation regenerationundersproutmethod cutageforestation |
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