The essential micronutrients to plants and phytotoxicity of toxic heavy metals are not related merely to the total concentrations but depend on their availability in soils.
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美
- 摘要土壤中植物必需的微量营养元素的供给以及有害元素的毒性大小并不仅仅与元素的总量有关,而取决于元素的有效性。