CARO-COSTAS, R.; ABRUÑA, F.; VICENTE CHANDLER, J. Effect of Three Levels of Fertilization on the Productivity of Stargrass Pastures Growing on a Steep Ultisol in the Humid Mountain Region of Puerto Rico. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 60, n. 2, p. 172–178, 1976. DOI: 10.46429/jaupr.v60i2.10568. Disponível em: Acesso em: 9 jun. 2023.