But evidence is building that soiltoxicity 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。
2
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。
3
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 .