20110015831 | APPLICATION RATE SYSTEM FOR A FARM IMPLEMENT - An application rate system having a first controller mounted in a cab of a tractor. An implement, having a hopper, is connected to the tractor. Attached to the hopper is a scale for measuring the weight of material disposed in the hopper. Connected to the scale is a second controller. The second controller sends information about the measured weight of the material in the hopper to the first controller, and the first controller calculates the rate of application based upon the change in the measured weight in relation to the area covered by the tractor and the implement. | 01-20-2011 |