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Authors
Author
M. Ray Powers
Books
Home Mixing and General Fertilizer Formulas
Henry Walter Barre, M. Ray Powers, Thomas Ellison Keitt, C. B. Haddon, Evander McIver Williamson, F. G. Tarbox, J. Coke Rampley, R. G. Tarbox, W. B. West
Analyses of Commercial Fertilizers
Curtis Criss McDonnell, Clifford Lewis Newman, Albert Frederick Conradi, Charles Carter Newman, J. N. Harper, E. Barnett, Henry Walter Barre, M. Ray Powers, Thomas Ellison Keitt, William Andrew Thomas
