Lettuce production in a greenhouse under fertigation with nitrogen and potassium silicate. Acta Scientiarum. Agronomy, [S. l.], v. 39, n. 2, p. 211–216, 2017. DOI: 10.4025/actasciagron.v39i2.32897. Disponível em: https://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/32897. Acesso em: 1 jun. 2026.