A row planter assembly comprising:a frame；an opening disk rotatably mounted to the frame； anda gauge wheel rotatably mounted to the frame and disposed alongside, but spaced from, the opening disk so as to create a narrow gap therebetween；wherein the gauge wheel comprises at least one opening in the side wall thereof so as to permit soil to pass from the gap located between the opening disk and the gauge wheel to the region outside of the gauge wheel.
