@article{lemos_meireles_fernandes_moraes_costa_silva_kern_2011,  title={Nutrients in Amazonian Black Earth from Caxiuanã Region},  volume={22},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532011000400022},  DOI={10.1590/S0103-50532011000400022},  number={4},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Lemos, Vanda P. and Meireles, Antônio R. de Oliveira and Fernandes, Kelly das Graças and Moraes, Milena C. de and Costa, Marcondes L. da and Silva, Any K. Terra and Kern, Dirse C.},  year={2011},  pages={772–779} }