Treatment Summary
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A grassy weed icon identifies a herbicide as having more than 3 weeks of soil residual activity to prevent the germination of labelled grassy weeds. A broadleaf weed icon identifies a herbicide as having more than 3 weeks of soil residual activity to prevent the germination of labelled broadleaf weeds.
The EIQ is designed to provide growers and other decision makers with one number that indicates the magnitude of relative risk. The EIQ was developed by Kovach and others from Ohio State University to estimate the risk to farm workers, consumers, and the environment of pesticide active ingredients. The toxicology, as well as persistence and movement in the environment were used to calculate the EIQ. In weedpro75.com the environmental impact of a pesticide product is determined by multiplying the application dose (kg ai/ha) by the EIQ value for the active ingredient. Thus, a higher environmental impact value indicates a greater risk compared to another product. By using lower herbicide rates and/or safer products, the environmental impact of weed control may be reduced.
