BONNET, J. A.; LUGO-LÓPEZ, M. A.; RICO-BALLESTER, M. Effect of Incorporating Organic Materials into A Clay Soil of Lajas Valley on the Yields of Food Crops. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 41, n. 3, p. 173–178, 1957. DOI: 10.46429/jaupr.v41i3.12616. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/12616. Acesso em: 21 feb. 2024.