The inhibition action of selenium to lead in rapeseed seedling stage was studied using sand culture.

采用砂培盆栽实验,研究了油菜苗期硒对铅吸收的抑制作用.

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Sand culture experiment compound effects of N and Zn on chloroplast ultrastructure of white clover leaves.

白三叶叶片超显微结构表明,低锌条件下,随供氮水平增加,叶绿体结构变差,基粒及基粒片层、基质片层数量下降甚至解体,光合能力显著下降.

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