The soil samples were collected from 90 navel orange orchards located in the 18 counties of Ganzhou district based on different soil types. The chemical speciation distributions of heavy metals in navel orange orchard soils in Ganzhou were discussed using BCR three-step sequential extraction procedure. The results obtained indicated the order of the active portion of different heavy metal in soils were: Pb > Cu > Zn > Ni > Cr. Meanwhile,the law of the content and morphological distribution of heavy metals i...