Risk is often seen as the probability of some future event that is viewed as undesirable and how harmful that event would be if it occurs. It follows that soybean aphids in soybean fields are viewed by soybean producers as an undesirable event. The level of harm incurred by the aphids, however, will depend on their population density and the soybean plant stage.
Iowa State University
Rice, Marlin E., "Risk assessment of soybean aphid damage--a seasonal timeline" (2006). Integrated Crop Management News. 1176.
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