USDA WINTER/SPRING POTATO ESTIMATES The U.S. Agriculture Department estimated 1987 winter potato production, based on March 1 conditions, at 2,788,000 cwts (100 lbs), vs 2,764,000 cwts indicated last month and 2,991,000 cwts last year. The department estimated winter potato area for harvest at 11,900 acres, vs 11,900 acres last month and 12,300 acres in 1986. The yield per harvested acre for winter potatoes is estimated at 234 cwts per acre, vs 243 cwts last year. The department also projected 1987 spring potato crop area planted at 79,300 cwts, vs 77,400 cwts last year, and area for harvest at 76,700 acres, vs 75,900 acres harvested last year.