Reviews on early warning of field heavy metal pollutions with molecular microbial ecological methods

Heavy metal pollution in fields is a serious threat to food safety and people's health.Thus early warning of heavy metal pollution is very important. This article reviews the present situation of heavy metal pollution in China,the advantages and disadvantages of heavy metal pollution early warning with chemical methods and the advantages of early warning with microbial indicators.And the feasibility of heavy metal pollution early warning with microbial molecular ecological methods is also discussed.