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University of Idaho Launches Online Tool to Help Farmers Reduce Costs and Protect Crops

The University of Idaho Extension has launched a Growing Degree Day Calculator, a digital tool that helps farmers save money, reduce pesticide use, and monitor crop health. The calculator uses daily temperature data to predict when crops and insect pests reach key growth stages—guiding more precise decisions on pesticide applications, irrigation, and fertilization. The tool also incorporates localized weather data and crop models for major Idaho crops like potatoes, wheat, barley, alfalfa, and sugarbeets. It also tracks pest and disease development, helping farmers protect beneficial insects while cutting unnecessary chemical applications.