Potato research and promotion act : hearing before the Subcommittee on Agricultural Production, Marketing and Stabilization of Prices of the Committee on Agriculture and Forestry, United States Senate, Ninety-first Congress, first session on S. 1181, a bill to enable potato growers to finance a nationally coordinated research and promotion program to improve their competitive position and expand their markets for potatoes by increasing consumer acceptance of such potatoes and potato products and by improving the quality of potatoes and potato products that are made available to the consumer, May 8, 1969