Analysis on Safety Status of Tobacco Leaves and Its Growing District Environmental Security in Fuzhou City
To research the safety status of tobacco leaves and environmental security in Fuzhou City,sulfur dioxide,nitrogen oxides,total suspended particular,fluoride,Pb in the atmosphere,the heavy metal and pesticide residues content of tobacco growing areas,irrigation water and cured tobacco leaves were used as samples for analysis.The results showed quality of ambient air,tobacco growing areas and irrigation water agreed with the standards for pollution-free food production.The heavy metal content in cured tobacco leaves and tobacco growing areas had no close relationship.The heavy metal content in tobacco leaves was mainly from the course of tobacco production.The contents of Cr,Cu,Ni and Pb in tobacco growing areas were significantly increased in the course of tobacco production.There were residual butralin,residual pendimethalin,residual propamocarb hydrochloride and residual diphenamide pesticides in cured tobacco leaves,so it should be controlled strictly during production.
tobacco leavesenvironment of growing areaquality safetyheavy metalpesticide residueFuzhou Jiangxi