中国城市土壤重金属污染的主要来源是工业“三废”排放,金属采矿和冶炼,家庭燃煤,生活垃圾,汽车尾气排放。
The Pb contents of soil, water and fruit in longan orchard near by rubbish landfill site were investigated.本研究以垃圾填埋场周围的龙眼果园为调查对象,调查其土壤,果实等的含铅量。
On the other hand, the more the amount of rubbish compost applied, the higher the soil salt. S...另一方面,随着垃圾肥用量的增加,土壤全盐含量上升,因此在施用垃圾肥时应注意土壤盐分的累积。