ABRUÑA, Fernando. Potassium-Supplying Capacity of Six Upland Mollisols from Puerto Rico. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 67, n. 4, p. 394–406, 1983. DOI: 10.46429/jaupr.v67i4.7734. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/7734. Acesso em: 28 mar. 2024.