The present invention relates to an apparatus for metering and treating agricultural granules comprising a conveyance device having an inlet; a treatment chamber mounted adjacent the inlet of the conveyance device, the treatment chamber configured to apply treatment to agricultural granules; and a metering device configured to receive agricultural granules at an intake end and eject the agricultural granules at an outlet end, the metering device rotatably coupled to the treatment chamber such that the agricultural granules ejected from the outlet end pass through the treatment chamber for application of the treatment therein and thence into the inlet of the conveyance device; and wherein the metering device can be rotated between a first position for positioning under an agricultural granule source for receiving agricultural granules therefrom for metering and a second position adjacent the conveyance device for transport.