Browsing by Author "Halverson, Merle"
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Item Liming Minnesota Soils(1956-10) Grava, John; Halverson, MerleItem Liming Minnesota Soils(University of Minnesota. Agricultural Extension Service, 1960) Grava, John; Halverson, MerleItem Liming Minnesota Soils (Revised 1963)(University of Minnesota. Agricultural Extension Service, 1963-06) Grava, John; Halverson, Merle