proPlant expert.classic is the well-known neutral crop protection advisory system for arable farming (e.g. cereals, oilseed rape, potatoes, sugar beet) in Germany. The graphics with weather-based infection probabilities and pest development as well as the neutral evaluation of fungicides and insecticides with regard to their effect in degree days are particularly popular. This Windows version is used by farmers and advisors who want comprehensive information for their crop protection decisions.