结果表明：红土母质中全锌含量均高于黄土母质，全铜在不同亚类、不同母质黑土中含量分布变异较小；

The result showed that the tested trace elements had different distribution in different parent material profile and soil types. Red parent material had high content of total Zn.

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黄酮类化合物是一类低分子天然植物成分，这类化合物具有共同的母核c6 - C3 - C6。

The flavonoid is a kind of low molecular natural plant ingredient, and this kind of compound has common parent nucleus C6-C3-C6.

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根据赤水市竹类良繁基地楠竹小母竹生产区林分不同现状，提出了相应的楠竹小母竹快繁模式。

Based on Phyllostachys Pubescens stand status in Chishui bamboo propagation base, this paper proposes several models for rapid propagation of Phyllostachys Pubescens with small mother bamboo stalk.

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