Sanchez-Toribio, M.I., Garcia-Marin, R., Conesa-Garcia, C. and Lopez-Bermudez, F. 1. Evaporative demand and water requirements of the principal crops of the Guadalentín valley (SE Spain) in drought periods. Spanish Journal of Agricultural Research. 8, S2 (1), 66-75. DOI:https://doi.org/10.5424/sjar/201008S2-1349.