@article{orioli júnior_coutinho_2009,  title={Effectiveness of fused magnesium potassium phosphate for marandu grass},  volume={33},  ISSN={0100-0683},  url={https://doi.org/10.1590/S0100-06832009000600034},  DOI={10.1590/S0100-06832009000600034},  number={6},  journal={Revista Brasileira de Ciência do Solo},  publisher={Sociedade Brasileira de Ciência do Solo},  author={Orioli Júnior, Valdeci and Coutinho, Edson Luiz Mendes},  year={2009},  month={Nov},  pages={1855–1862} }