@article{melo_nascimento_accioly_santos_2008,  title={Phytoextraction and fractionation of heavy metals in soil after multiple applications of natural chelants},  volume={65},  ISSN={0103-9016},  url={https://doi.org/10.1590/S0103-90162008000100009},  DOI={10.1590/S0103-90162008000100009},  number={1},  journal={Scientia Agricola},  publisher={Escola Superior de Agricultura "Luiz de Queiroz"},  author={Melo, Évio Eduardo Chaves de and Nascimento, Clístenes Williams Araújo do and Accioly, Adriana Maria de Aguiar and Santos, Ana Cristiane Queiroz},  year={2008},  month={Jan},  pages={61–68} }