0.1～100mg·L-1 La(NO3)3均能促进小球藻的异养生长,有助于葡萄糖的利用.异养培养时间≤36h时,La3+显著抑制小球藻对NO-3的吸收,之后则加速NO-3的吸收.La3+还能提高小球藻的叶绿素a、叶绿素b及总叶绿素含量,最大促进百分率分别为23.4%、27.1%及24.7%.
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