作　　者： ;

机构地区： 广州城市职业学院生物与环境工程系

出　　处： 《广西农业科学》 2006年第3期266-269,共4页

摘　　要： 重金属主要以水溶态、交换态、有机结合态等多种形态存在于未经过去毒处理的生活垃圾和工业生产废弃物、工业污水、化学农药之中,土壤累积也会使耕地重金属严重超标。重金属不仅影响蔬菜生长,也给人类健康造成危害,改变重金属的有效态,利用生物技术、换土等方法,可减轻重金属的污染和危害。 Heavy metal mainly exists in household garbage that untreated in re-poison, industrial producing wastes and sewage and chemical pesticide with many forms such as water-soluble, exchangeable and bound to organic matter. The heavy metal of cultivated land will severely exceed the standardization in soil accumulation. The heavy metals not only affect the growth of vegetable, but also harm the health of people. The pollution and harm of heavy metals can be lessened by changing the available form, using biotechnological approach and replacing the polluted soils, etc.

关 键 词： 无公害蔬菜 重金属 污染 防治

领　　域： [农业科学] [农业科学]