Most irrigation is complete. Harvest has begun in south and central Arkansas and should be statewide by August 15. The abundant June rains have resulted in one of the best grain sorghum crops. Irrigation can be terminated when the grain is hard dough. This is usually noted by a change in grain color from green to bronze.
Pastures Fall armyworms continue to cause problems in pastures and are occurring in large numbers.
Populations of greater than 8 per square are common. Tracer, a new insecticide, has received a crisis exemption for pastures. Tracer is very effective in control of armyworms and also safe. It also has a 0 re-grazing period. Tracer is labeled for control of fall armyworms in pastures at 1 to 2 fluid ounces per acre.