1. Agro Services International Inc. Excel based tool available on line at: .
2. Apache, 2015. Commons Math. Available on line at: .
3. Software application for calculating solar radiation and equivalent evaporation in mobile devices;Bueno-Delgado;Agri. Water Manage. J.,2014
4. CropFertilizers, 2015. App tool available on line at: .
5. DSS-FS, 2015. App tool available on line at: .