Agricultural Extension Service, South Dakota State College
United States farmers have done heroic jobs of producing food during the past 10 years. Now our country needs even greater farm production in 1952. And for future years increasing food demands are likely. Farmers will need to produce more. At the same time we must "fortify our farming" by maintaining and building up our soil.
Agricultural Extension Service, South Dakota State College, "Summary of Information Given at Fortified Farming" (1952). SDSU Extension Circulars. 553.