S. M. DISSANAYAKE; I. R. PALIHAKKARA; G. P. GUNARATNA. Effect of Different Levels of K on Growth Performance of Immature Oil Palm in Devithurai Estate Sri Lanka. International Journal for Research in Applied Sciences and Biotechnology, [S. l.], v. 6, n. 5, p. 18–21, 2019. Disponível em: https://www.ijrasb.com/index.php/ijrasb/article/view/278. Acesso em: 24 oct. 2026.