• The coat is applied to picea asperata.

    涂层适用于云杉。

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  • The survival rate gets higher when the coat is applied to picea asperata mast.

    使用材料后云杉树苗成活率得以大幅度提高

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  • Picea is not only major natural forest resources in Qinghai, but also fine tree species of afforestation and urban greening.

    云杉青海省主要的天然林资源也是荒山造林城镇绿化优良树种

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  • Through indoor inoculation test on seedlings of Picea koraiensis, 6 ectomycorrhizae fungi cultures were obtained from 36 isolaters.

    红皮云杉室内接种试验获得6个可与红皮云杉共生形成外生菌根的菌株。

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  • Besides, pollen of Abies, Picea, Pinus, Tsuga, Betula, Ericaceae, Labiatae and Cyperaceae and spores of Pteris, Polypodium and Selaginella were also observed.

    此外有冷杉云杉铁杉和桦等属乔木花粉杜鹃科、形科、莎草科灌木和草本植物花粉凤尾蕨、水龙骨、卷柏等属孢子

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  • Picea and abies forests in Taohe forest region have been investigated in order to find out the laws governing their structure, growth, rejuvenation and succession.

    洮河林区云杉冷杉林分调查研究的基础上,探讨现实林分的结构生长更新演替等规律

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  • According to the grade similarity and significance of difference of the productivity, we make cot the planting district of Picea Kdreainsis, and give out the hydro-thermal index.

    可靠性精度进行了分析和检验,根据生产力等级相似性差异显著性原理,进行栽培区划给出各栽培区、亚区的水热特征临界值指标

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  • Abstract : The purpose of this study was to determine the total flavonoids and dihydroquercetin contents in Picea asperata Mast. , and to further investigate its antioxidant activity.

    摘要试验测定云杉总黄酮及其二氢皮素的含量研究抗氧化活性,后期云杉黄酮的进一步研究提供部分理论依据。

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  • The size structure and distribution pattern of Picea mongolica population on sand dune and their rerlationship to eco-environment are studied by size structure in place of age structure.

    本文用种群大小结构代替年龄结构研究沙地云杉种群大小结构、分布格局动态规律。

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  • The biological and ecological characteristics as well as habitat condition of Picea sitchensis have been briefed; meanwhile the study direction of its species introduction has been advanced.

    简要介绍了西加云杉生物生态学特性及其生境条件,并提出了该树种引种研究方向

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  • The biological and ecological characteristics as well as habitat condition of Picea sitchensis have been briefed; meanwhile the study direction of its species introduction has been advanced.

    简要介绍了西加云杉生物生态学特性及其生境条件,并提出了该树种引种研究方向

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