NITHEDPATTRAPONG, S. Influence of N,P, K and Mg on Yield of Oil Palm grown on Kohong soil Series. Thai Agricultural Research Journal, [S. l.], v. 13, n. 3, p. 164–174, 1995. DOI: 10.14456/thaidoa-agres.1995.16. Disponível em: https://li01.tci-thaijo.org/index.php/thaiagriculturalresearch/article/view/239270. Acesso em: 1 oct. 2026.