1.
Sain G, Acosta MA. 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. Agron. Mesoam. [Internet]. 2016Jun.21 [cited 2024Apr.24];4:11-7. Available from: https://revistas.ucr.ac.cr/index.php/agromeso/article/view/25106