Abstract: A bin for holding a granular material has a conveyor belt in the bottom thereof. A plurality of separate conduits are in communication with the bin with each of the conduits having a discharge end. The conveyor belt meters the granular material from the bin into the conduits. A fan is provided for supplying flowing air through the conduits to blow granular material towards the discharge ends. Each conduit has a curved portion formed therein upstream from the discharge ends. Sensors are located in each of the curved portions to measure the centrifugal force of granular material moving through the conduits towards the discharge ends. Pivotal walls are provided in each conduit to adjust the flow of granular material therethrough. A microprocessor is connected to the sensors and the actuator to sense variations in the centrifugal force measured by the sensors, and to adjust the pivotal walls in one or more of the conduits to equalize the flow of granular material through the conduits.

Abstract: A horizontal bi-fold toolbar which has two outer sections pivotally mounted at each end of a central main section so that the two outer sections can be folded in a horizontal plane to reduce the width to approximately one-half that of the fully extended toolbar. When folded, the toolbar can be easily transported on roads and highways, but more importantly, when folded the toolbar provides a tandem arrangement which can be used for narrow row planting and other agricultural functions.