LEMA-AGUIRRE, A.; BASANTES-MORALES, E.; PANTOJA-GUAMÁN, J. Barley (Hordeum vulgare L.) yield with normal and coated urea in Pintag, Quito, Ecuador. Agronomía Mesoamericana, v. 28, n. 1, p. 97-112, 12 dez. 2016.