The US corn price is ???down quite heavily from last week,??? Brink van Wyk, a trader with BVG (Pty) Ltd. in Pretoria, South Africa, said by phone. ???This, coupled with our very big crop, means we will see the downward pressure continuing for the next two months, especially if the US has a good crop going until after our harvest ends in August.??? Meal made from the white type is used as a staple