"The Downward movement of lime and superphosphate in relation to permanent pasture fertilization. "; "Schaller, F. W. (Frank W.), 1914-"; "Pastures--Fertilizers."; "Schaller, F. W. (Frank W.), 1914-"; "1940"; "Journal article reprint from: Soil Science Society of America Proceedings, v.5 (1940). "; ""; "P16934"; "pec"; "Pastures--Fertilizers."; "14256"; .