Abstract: A product metering assembly for receiving a product from an air seeding supply source, metering the product and dispensing the metered product to an air seeding apparatus is provided comprising a meter housing having a first end for receiving the product, a number of meter rolls disposed at or near the first end for metering the product, and a second end for dispensing the metered product to the air seeding apparatus; and a number of individual drive devices, each drive device operably associated with each meter roll to rotate each meter roll separately and apart from other meter rolls; whereby the drive device can be set to rotate the meter roll at a predetermined speed (rpm) or to stop the rotation of the meter roll.