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Gaokao Biology Practice Question

下列有关植物根系吸收利用营养元素的叙述, 错误的是

  1. A.在酸性土壤中, 小麦可吸收利用土壤中的 $\mathrm{N}_{2}$ 和 $\mathrm{NO}_{3}$
  2. B.农田适时松土有利于农作物根细胞对矿质元素的吸收
  3. C.土壤微生物降解植物秸秆产生的无机离子可被根系吸收
  4. D.给玉米施肥过多时, 会因根系水分外流引起“烧苗”现象

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