• youdao

  • 欧洲栓皮栎软木构造与物理性质研究进展。

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

    youdao

  • 栓皮栎叶片晴天的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.

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  • 栓皮栎优树选择应采用小样地法,各地区选择标准不同。

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

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  • 对陕西境内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.

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  • 栓皮栎月平均树干液流速率较油松的月平均树干液流速率高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.

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  • 不同林龄的栓皮栎林生殖物候和生殖能力有差异,幼龄林低,老龄林高;

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

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  • 栓皮栎人工林还具有良好的水源涵养功能,林分总持水量比杉木人工林高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.

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  • 开展栓皮栎体胚发生再生植株研究,对栓皮栎优良无性系快繁、遗传改良和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.

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  • 采用重复熏蒸-培养法研究了苏南丘陵地区具有代表性的栓皮栎次生林和火炬松人工林土壤有效碳的变化特征。

    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-培养法研究了苏南丘陵地区具有代表性的栓皮栎次生林和火炬松人工林土壤有效碳的变化特征。

    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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