SAMUELS, G.; LANDRAU, JR., P. THE RESPONSE OF SUGARCANE TO FERTILIZERS I. THE ARECIBO CYCLE, 1944-1950. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 36, n. 3, p. 203–229, 1952. DOI: 10.46429/jaupr.v36i3.13787. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/13787. Acesso em: 6 oct. 2022.