MANURUNG, A. N. H.; HARIYADI, S. Optimization Rate of Organic and NPK Compound Fertilizers on Second Year Immature Oil Palm. Asian Journal of Applied Sciences, [S. l.], v. 3, n. 3, 2015. Disponível em: https://www.ajouronline.com/index.php/AJAS/article/view/2643. Acesso em: 23 apr. 2024.