OLMEDA, Rafael F.; ABRUÑA, Fernando. Four Nitrogen Levels and Three Water Management Systems on Rice Yield and Nitrogen Recovery. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 70, n. 3, p. 197–205, 1986. DOI: 10.46429/jaupr.v70i3.7092. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/7092. Acesso em: 26 apr. 2024.