Full Terms & Conditions of access and use can be found at https://www.tandfonline.com/action/journalInformation?journalCode=bssc20 Soil and Sediment Contamination: An International Journal ISSN: 1532-0383 (Print) 1549-7887 (Online) Journal homepage: https://www.tandfonline.com/loi/bssc20 Improving Cobalt Phytoextraction by Astragalus Sinicus L. Grown in Co-Contaminated Soils Using Biodegradable Chelators Li Chen, Dan Wang, Chao Zeng & Chang Long To cite this article: Li Chen, Dan Wang, Chao Zeng & Chang Long (2019) Improving Cobalt Phytoextraction by Astragalus Sinicus L. Grown in Co-Contaminated Soils Using Biodegradable Chelators, Soil and Sediment Contamination: An International Journal, 28:5, 461-472, DOI: 10.1080/15320383.2019.1613957 To link to this article: https://doi.org/10.1080/15320383.2019.1613957 Published online: 20 May 2019. Submit your article to this journal Article views: 46 View related articles View Crossmark data