Around 20 percent of the acreage received in-furrow application. Crop dusting was used on 18 percent of the surveyed corn acreage while another 8 percent of corn acres in the study were broadcast without incorporation. About 47 percent of sorghum producers made their own determination of insecticide application during the growing season on survey fields. Decision to apply insecticides on sorghum. Pesticides are used only when pest populations exceed an economic threshold level justifying application.
Field scouting is required to monitor pest populations.
Farming Practices Study . Kenneth R. Bolen, Director of Cooperative Extension, University of Nebraska, Institute of Agriculture and Natural Resources.