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作 者:黄敏球 覃荣 曹继钊[1] 潘波[1] 杨启军 黄明军 罗蜜 覃祚玉[1] Huang Minqiu;Qin Rong;Cao Jizhao;Pan Bo;Yang Qijun;Huang Mingjun;Luo Mi;Qin Zuoyu(Guangxi Forestry Research Institute,Nanning,Guangxi 530002,China;Guangxi State-owned Gaofeng Forest Farm,Nanning,Guangxi 530001,China;The College of Forestry of Beijing Forestry University,Beijing 100083,China)
机构地区:[1]广西壮族自治区林业科学研究院,广西南宁530002 [2]广西壮族自治区国有高峰林场,广西南宁530001 [3]北京林业大学林学院,北京100083
出 处:《广西林业科学》2021年第3期351-354,共4页Guangxi Forestry Science
基 金:广西创新驱动发展专项资金项目(桂科AA17204087-11);广西主要用材林减肥增效沃土保育关键技术推广与示范项目(gl2017kt15);广西林学与生物学院士工作站能力建设(桂科AD17129051)。
摘 要:为科学评价施用袋控缓释肥对尾巨桉(Eucalyptus urophylla×E.grandis)DH32-29人工林生长的促进效果,采用随机区组试验设计,设置施用不同量的袋控缓释肥、施用非袋控肥、只施基肥和完全不施肥等5种处理方式,施肥20个月后测定林木生长状况。结果表明,施用袋控缓释肥的效果显著优于施用非袋控肥。与施用非袋控肥相比,施用0.5 kg/株袋控缓释肥处理的胸径、树高和单株材积分别提高了7.70%、19.89%和32.84%;施用0.4 kg/株袋控缓释肥处理的树高、胸径和单株材积分别提高了7.95%、9.05%和23.25%。施用基肥处理的胸径、树高和单株材积均显著优于不施肥处理。For scientific evaluation of effect of applying bag-controlled slow release fertilizer on growth of Euca⁃lyptus urophylla×E.grandis DH32-29 plantation,five kinds of treatments such as applying different amount of bag-controlled slow release fertilizer,applying non-bag controlled fertilizer,only applying base fertilizer and no fertilization at all by randomized block design were set up.Forest growths were measured after 20 months of fertilization.Results showed that effect of applying bag-controlled slow release fertilizer was significantly better than that of non-bag controlled fertilizer.Compared with non-bag controlled fertilizer,DBH,tree height and in⁃dividual volume increased by 7.70%,19.89%and 32.84%respectively when applying bag-controlled slow re⁃lease fertilizer 0.5 kg/plant,which increased by 7.95%,9.05%and 23.25%respectively when applying bagcontrolled slow release fertilizer 0.4 kg/plant.DBH,tree height and individual volume were significantly better in treatments applying base fertilizer than those without fertilization.
关 键 词:肥效分析 袋控缓释肥 尾巨桉DH32-29
分 类 号:S792.39[农业科学—林木遗传育种]
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