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Gaokao Biology Practice Question

3.( 6分)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 N2和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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