Petter, F. A., Andrade, F. R., Zuffo, A. M., Monteiro, M. M. de S., Pacheco, L. P., & Almeida, F. A. de. (2016). Doses and time of potassium application on corn agronomic performance cultivated in a ‘Cerrado’ area at Piaui State, Brazil. Comunicata Scientiae, 7(3), 372–382. https://doi.org/10.14295/cs.v7i3.1218