*Represents the irrigated sands of central Wisconsin

           *Production is primarily destined for fresh packing and processing

  *Single trial including russet, white, red, yellow flesh and specialty varieties.

            *Represents the irrigated silt loams of northeastern Wisconsin

            *Production is primarily for certified seed, fresh packing and processing (chips)

            *Single trial including russet, white and red varieties

            *Represents muck soils of Wisconsin

            *Single trial including red varieties only