But evidence is building that soil toxicity is a major problem that's creeping into the food supply.

但越来越多的证据表明，土壤内的有元素匍匐进入食品供应是一个主要问题。

youdao

Toxicity, reactions and existence state in soil and effects on crops of chromium, current situation of applying fertilizer of tannery chromium sludge were described.

简述了铬的毒性、铬在土壤中的反应与存在状态、铬对植物的影响及含铬污泥在农业中应用的现状。

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Methods The influencing factors to the effective duration of niclosamide in water and soil was investigated by the snail immersion method and the fish toxicity test .

方法用浸泡杀螺试验和鱼毒试验，观察氯硝柳胺在水体及土壤中持效时间及其影响因素。

youdao

Experts say removing cadmium from the soil is a costly process that would likely require seeding certain plants for long periods to help remove toxicity.

WSJ: Cadmium-Tainted Rice Found in Guangzhou