The carbon content and carbon storage of Pinus massoniana Lamb at different growing stages were measured.
对福建马尾松幼龄林、中龄林和成熟林生态系统中各组分的含碳率和碳贮量进行了比较研究。
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中总木脂素的含量测定方法。
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.
该研究在区划工作的基础上，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。
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的生态环境变化进行定位观测研究。
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.
用丰脂灵化学采脂和常规采脂对广西派阳山林场的马尾松进行采脂试验，并取样测定木材树脂道的数量、大小与分布及木材明子化程度。
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.
用丰脂灵化学采脂和常规采脂对广西派阳山林场的马尾松进行采脂试验，并取样测定木材树脂道的数量、大小与分布及木材明子化程度。
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