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通过盆栽试验，探讨了在吉林省砂壤水稻土中铜对水稻的毒性效应以及在水稻各器官 的分布、累积、迁移规律，并确定了铜在该土壤中对水稻毒性临界值。
Pot experiments were conducted to investigate the toxic effects of copper on rice in the paddy soils of paddy soils in Jilin Province. The distribution, accumulation and migration of copper in various organs of rice were also studied. The critical value of copper toxicity in paddy soils was also determined.