Li, A. , Chen, J. , Wang, C. , Zhang, Z. , Wang, H. , Ji, H., Sun, T. , Zeng , Z. and He, Y. 2023. Distribution characteristics of selenium and heavy metal elements in soil-crop system in ankang, shaanxi, china. Bangladesh Journal of Botany. 52, 20 (Aug. 2023), 649–657. DOI:https://doi.org/10.3329/bjb.v52i20.68252.