VICENTE-CHANDLER, J.; SILVA, S. Effects of Nitrogen Fertilization and Grass Species on Soil Physical Condition in Some Tropical Pastures. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 44, n. 2, p. 77–86, 1960. DOI: 10.46429/jaupr.v44i2.12096. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/12096. Acesso em: 4 dec. 2022.