Users must recognize that we are only able to provide a limited amount of support as we also have many other duties. We trust the simplicity of the model should reduce the need for assistance. Please search the help included in the model before contacting us. If you still find it necessary to reach us please send e-mail to WeedCast@morris.ars.usda.gov or call at 320-589-3411. We will try to respond to all questions as soon as possible.