@article{prado_vieira_rezende_2001,  title={Monitoring of the harmful concentrations of 2,4-dichlorophenoxyacetic acid (2,4-D) in soils with and without organic matter},  volume={12},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532001000400007},  DOI={10.1590/S0103-50532001000400007},  number={4},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Prado, Alexandre G. S. and Vieira, Eny M. and Rezende, M. Olímpia de O.},  year={2001},  month={Jul},  pages={485–488} }