There are many reasons to optimize your irrigation: Increase nutrient uptake efficiency Control Pest, Fungi, and diseases Improve plant health and productivity Reduce nutrient leaching Environmental sustainability Conserve water Reduce pumping costs We discuss some of the common methods used to determine irrigation frequency and duration. Evapotranspiration and crop water demand Weather variability and importance of Hyper-Local weather  We introduce Yara's Farm Water Advisor, a simple, easy to use mobile application that delivers precise crop water demand forecasts and irrigation recommendation that are precise for YOUR crop, YOUR field, and YOUR cultural practices. Learn more and download the Ap at www.FarmWaterAdvisor.com or download at the Apple Ap Store or Google Play Store. If you have comments, questions, or suggestions, please contact  Scott.warr@yara.com. 916-390-2999 or hello@farmwateradvisor.com