Institute of tobacco of courtyard of Chinese farming division chairs finished national tobacco priority discipline “ does not have monopolistic bureau standard of highest remain set limit to studies pesticide of tobacco leaf of social effects of pollution, heavy metal ” , national tobacco was passed in Qingdao recently the expert that monopolistic bureau organizes is authorized.

This project uses investigation and reconnaissance survey of remain of tobacco leaf pesticide through developing the pesticide of countrywide limits, understood the current situation that at present domestic nicotian pesticide is used and tobacco leaf pesticide remains first, need clearly to make the pesticide sort that set limit to asks, content of the heavy metal in producing area soil and leaf tobacco to domestic share tobacco leaf undertook dependency is analysed detecting mixing, be a standard make provided scientific basis. The pesticide in producing a course to tobacco leaf is reasonable below used condition, pesticide incomplete allowance and degradation rule undertook study, the rudimental quantity that made clear breed of nicotian and commonly used pesticide and gather the concern that controls time, lin of bug of zinc of manganese of explore palpability Dai Sen, Bi and fluorine section amine are in the degradation rule in cigarette individual plant, prop up to made standard of set limit to provide data. Through sufficient research and test and verify of sample actual measurement, made " without standard of ambient conditions of producing area of tobacco leaf of social effects of pollution " and " without safety of quality of tobacco leaf of social effects of pollution standard " .

(Luo Chun)