Joints of Chinese pines是什么意思

用法例句

Effects of Elevated O_3 on the Volatile Organic Compounds Emit from Ginkgo biloba and Pinus tabulaeformis;

O_3浓度升高对银杏及油松BVOCs排放的影响

Effects of Ectomycorrhizal Fungi on Heavy Metal Speciation in Rhizosphere of Pinus tabulaeformis Seedlings.;

外生菌根真菌对油松幼苗根际土壤重金属赋存的影响

Study on tannin resin Pinus Tabulaeformis waferboard;

单宁树脂油松大片刨花板的研制

The effect of He-Ne laser on active oxygen metabolism of Chinese pine seeding;

He-Ne激光对油松幼苗活性氧代谢的影响

Study on Scolytidae Insect on Chinese Pine in KAN-bula Forest Farm;

坎布拉林场油松小蠹科害虫研究

Planting Chinese pine in the loess hilly and gully region in rainy season.;

黄土丘陵区雨季栽植油松试验

Investigation of Container Seedling and Bare-rooted Seedling of Pinus tabulaeformis Carr.for Afforestation;

油松容器苗与裸根苗造林效果调查分析

Research on Provenance Selection of Pinus tabulaeformis Carr.and Pinus henryi Mast;

油松和巴山松种源选择研究

Study on the Distribution of Root Density of Robinia pseudoacacia L. and Pinus tabulaeformis Carr.;

刺槐和油松根系密度分布特征研究

Study on Drought Resistance of P.tabulaeformis and L.principis-rupprechtii.;

油松、华北落叶松抗旱特性的研究

austriaca had a strong root system,long vertical roots,thick lateral roots,distinct structure,and a heavy fresh mass,a striking contrast with seedlings of P.

结果表明:奥地利黑松幼苗根系发达,主根长、侧根粗壮、层次明显,鲜质量大,与乡土树种油松形成鲜明对照。

liaotungensis forest,P.

通过实地调查并采用Levins生态位宽度指数对子午岭地区主要树种辽东栎(Quercus liaotungensis)和油松(Pinus tabulaeformis)的幼苗、幼树和成树在不同坡向的辽东栎林、油松+辽东栎混交林和人工油松林3种群落中的生态位宽度进行了分析研究。

Exotrophic Mycorrhiza Applied in Pine Seedling;

外生菌根真菌在油松育苗中的应用

Study on the Effect of Tour on Diversity of Arthropod Community in Ancient Pine Forest in the Western Imperial Tombs of Qing Dynasty;

旅游对清西陵古油松林节肢动物群落多样性影响的研究

The species diversity,carbon densities,water conservation and so on of thirty-two old pine of the south slope s five planting density were observed and determined at Badaling in Beijing.

对北京八达岭林场32 a生5种造林密度阳坡油松林生物多样性、蓄积量、碳密度、水源涵养等功能进行调查与实验,结果表明:随着林分密度的减小,林木生长状况良好,林下植被层各种生物多样性指数较其它林分高,并伴随着出现辽东栎等其它栎类更树种的生长;1200株/hm2的油松林蓄积最大为95。