ALEXANDER, A. G. Efficiency of Chemical Ripener Action in Sugarcane. IV. Growth and Qualitative Responses to Polaris Under Variable Solar Radiation Regimes. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 61, n. 1, p. 19–25, 1977. DOI: 10.46429/jaupr.v61i1.10474. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/10474. Acesso em: 21 mar. 2023.