Dukes, M.D., Shedd, M.L. and Davis, S.L. 2009. Smart Irrigation Controllers: Operation of Evapotranspiration-Based Controllers: AE446/AE446, 2/2009. EDIS. 2009, 2 (Apr. 2009). DOI:https://doi.org/10.32473/edis-ae446-2009.