SAIN, G.; ACOSTA, M. A. A general quadratic response model is used to find optimal rates of nitrogen (N) and phosphorous (P) for maize in two recommendation domains in the Chiriqui Province, Panamá. Agronomía Mesoamericana, [S. l.], v. 4, p. 11–17, 2016. DOI: 10.15517/am.v4i0.25106. Disponível em: https://revistas.ucr.ac.cr/index.php/agromeso/article/view/25106. Acesso em: 18 apr. 2024.