@article{boldrin_souto_salles_furtini neto_2019,  title={Alternative sources of potassium for maize cultivation},  volume={43},  ISSN={1413-7054},  url={https://doi.org/10.1590/1413-7054201943023619},  DOI={10.1590/1413-7054201943023619},  journal={Ciência e Agrotecnologia},  publisher={Editora da Universidade Federal de Lavras},  author={Boldrin, Paulo Fernandes and Souto, Hugo Ferreira and Salles, Lenise Selaysim and Furtini Neto, Antonio Eduardo},  year={2019},  pages={e023619} }