RODRÍGUEZ, Juan Pastor. Effect of nitrogen applications on the yields and composition of forage crops. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 33, n. 3, p. 98–117, 1949. DOI: 10.46429/jaupr.v33i3.12839. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/12839. Acesso em: 3 may. 2024.