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人体中Cd的累积主要来自于食物链,而食物生产与土壤有着十分密切的关系。虽然Cd能通过叶片的直接吸收进入植物体,但土壤是植物中Cd的主要来源,土壤溶液中Cd浓度直接影响植物对Cd的吸收。
The accumulation of Cd in the human body mainly comes from the food chain, and the production of food has a very close relationship with the soil. Although Cd can enter the plant through the direct absorption of leaves, soil is the main source of Cd in plants. The concentration of Cd in soil solution directly affects the uptake of Cd by plants.