Research on the soil environment quality of Atractylodes macrocephala Koidz. in Youyang county of Chongqing.

By investigation in the chief soils of Atractylodes macrocephala Koidz.and analysis of the soil environment quality in Youyang county of Chongqing,the heavy metals and pesticide residue were studied.The single pollution index and synthetic pollution indice indicated that the pollution index of all sorts of pollution in the soil was less than 1.0,lower than the level of pollution ruled by GB/T18407.1-2001,and met the requirement of the organic drug culture environment.