[1]
R. Vázquez, A. Eschenwald-Hess, and M. J. Martínez-Luciano, “Response of Native White Sorghum to Irrigation under Different Nitrogen-Fertility Levels and Seeding Rates in Lajas Valley, Puerto Rico”, JAUPR, vol. 50, no. 2, pp. 92–112, Apr. 1966.