• The carbon content and carbon storage of Pinus massoniana Lamb at different growing stages were measured.

    福建马尾松幼龄林、中龄林成熟林生态系统中各组分的含率和碳贮量进行了比较研究。

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  • P. massoniana showed fast height growth but poor natural trimming , crooked bole, low insect pest resistance.

    马尾松的树高生长虽然较快,自然整枝,树干不通直,且虫害较严重,抗性差

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  • And S. superba was affected more markedly by co-species competition than P. massoniana in heterogeneous environment.

    马尾松相比,同种邻株竞争异质养分环境中木荷生长负向影响更为强烈。

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  • Objective: to establish a method for the content of total lignans in extract of pine needles of Pinus Massoniana Lamb.

    目的建立马尾松松针提取物脂素含量测定方法

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  • Results showed that the increase of root_shoot ratio was an active adaptive response of P. massoniana to low phosphorus stress.

    结果表明根冠比提高马尾松胁迫一种主动适应性反应机制;

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  • This paper reports the results of investigation on Bryophyta Communities in Pinus massoniana forest in Ma'an Mountain Forest Park of Wuhan City.

    本文报道武汉市马鞍山森林公园马尾松林中苔藓植物群落研究结果

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  • The tensile strength, modulus of elasticity(MOE) and hardness of Pinus massoniana fibers were determined by using zero-span tension and nanoindentation technique.

    研究了人工林马尾松纤维零距强度、细胞壁的纵向弹性模量硬度力学指标。

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  • Field tests showed that females gnawed significantly fewer oviposition scars on Pinus massoniana trees treated with hexane extracts of larval frass than on the control trees.

    林间驱避试验结果说明幼虫虫己烷提取物处理过的树干的刻槽数明显少于对照树干上的刻槽数,二者具有极显著差异;

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  • This demonstrated deteriorating regeneration conditions and decreasing ability of spatial occupation of P. massoniana with succession—that P. massoniana had a declining population.

    在群落演替过程中,马尾松种群的空间占据能力不断下降,种群衰退趋势。

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  • The standard karyotypes and trypsin-Giemsa C-banding patterns of 5 geographical racest of Pinus massoniana Lamb which distribute in 2 geographical zone have been studies in this thesis.

    研究区划工作基础上,进一步对马尾松种源进行了亚染色体结构水平上的分析鉴别。

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  • This paper dealt with the effects of PEG pretreatment, including different concentrations and treat time, on the vigor of ultradried seed, such as Cunninghamia lanceolata and Pinus massoniana.

    研究不同浓度PEG不同处理时间渗透处理对超干杉木、马尾松黑松种子活力影响

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  • This paper reported that it was feasible to apply combined drying method to dry fast growing trees lumber such as Pouples, Massoniana and hardwood such as Oak, etc, with wood wastes as energy.

    研究废料能源联合干燥短周期工业材的杨木马尾松以及常用硬阔叶材柞木

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  • The observation method of fixed position was used to study the characteristics of ecological environment in closing process of engineering young forest of Pinus massoniana Lamb from 1991 to 1996.

    年,对桂东南马尾松工程幼林郁闭过程生态环境变化进行定位观测研究

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  • The methods of collecting resin with Rich resin panacea(RRP) and without RRP( normal way ) were used in the resin collecting experiment of Pinus massoniana Lamb, in Paiyangshan forest farm, Guangxi.

    丰脂灵化学采脂常规采脂对广西派阳山林场马尾松进行采脂试验,并取样测定木材树脂的数量、大小与分布及木材明子化程度。

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  • The methods of collecting resin with Rich resin panacea(RRP) and without RRP( normal way ) were used in the resin collecting experiment of Pinus massoniana Lamb, in Paiyangshan forest farm, Guangxi.

    丰脂灵化学采脂常规采脂对广西派阳山林场马尾松进行采脂试验,并取样测定木材树脂的数量、大小与分布及木材明子化程度。

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