• 欧洲栓皮栎软木构造物理性质研究进展。

    Research and development of the structure and physical properties of cork from quercus suber l.

    youdao

  • 栓皮栎叶片晴天蒸腾速率明显高于阴天

    Its transpiration rate (tr) in fine day is clearly higher than that in overcast day.

    youdao

  • 栓皮栎我国重要造林树种,并且极具经济价值

    Quercus variabilis is an important tree species for afforestation, which have great economic value.

    youdao

  • 栓皮栎优树选择采用小样地地区选择标准不同

    The plus trees selection of Q. variabilis should use the small sample plot method and the standard is different in each region.

    youdao

  • 陕西境内10个栓皮栎群体栓皮性状变异情况进行了试验分析。

    The variations of cork characters from 10 populations of Quercus variabilis in Shaanxi province are analyzed.

    youdao

  • 栓皮栎平均树干速率油松月平均树干液流速率5-10倍。

    The sap flow velocity of Quercus variabilis was 5~10 times higher than that of the Pinus tabulaeformis on a monthly average basis.

    youdao

  • 不同林龄的栓皮栎生殖物候生殖能力差异,幼龄林低,老龄高;

    There are differences in phonology and reproductive ability between forests at different age.

    youdao

  • 栓皮栎人工林具有良好水源涵养功能林分水量杉木人工林10%。

    Oriental oak plantation also has better function of water conservation, total water-holding content of stand reaches to 10% higher than that of Chinese fir plantation.

    youdao

  • 开展栓皮栎体胚发生再生植株研究,栓皮栎优良无性系遗传改良基因资源保存具有重要意义

    It is very important to quickly propagation excellent clones, genetic improvement and gene resource preservation through somatic embryogenesis plant regeneration for this species.

    youdao

  • 采用重复熏蒸-培养法研究苏南丘陵地区具有代表性栓皮栎次生林火炬松人工林土壤有效的变化特征。

    By using sequential fumigation-incubation method, the soil labile carbon in a secondary Quercus variabilis forest and a Pinus taeda plantation in hilly area of South Jiangsu, China was investigated.

    youdao

  • 采用重复熏蒸-培养法研究苏南丘陵地区具有代表性栓皮栎次生林火炬松人工林土壤有效的变化特征。

    By using sequential fumigation-incubation method, the soil labile carbon in a secondary Quercus variabilis forest and a Pinus taeda plantation in hilly area of South Jiangsu, China was investigated.

    youdao

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