Natural forest stand structure of Pinus tabulaeformis was studied.

对油松天然林的林分结构进行了研究。

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Based on survey resources in the past years, natural forest stand structure of Pinus tabulaeformis in Machibei was studied.

依据历年调查资料，对麻池背油松天然林的林分生长结构进行了研究。

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It pointed out the main factors determining the growth of fruit bodies of the edible fungus Suillus luteus and the greatest yield were accompanying tree species, site, forest stand structure and soil;

提出决定褐环粘盖牛肝菌等菌根食用菌子实体能否发生和发生最大产量的根本因素是共生树种类型、立地、林分结构、土壤；

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