"Fertilizer analyses : special bulletin of the West Virginia Agricultural Experiment Station, Morgantown, West Va., December 31, 1894."; "De Roode, R. J. J. (Rudolph John J.)"; "Fertilizers--West Virginia--Analysis."; "De Roode, R. J. J. (Rudolph John J.)"; "1894"; "

Leaflet.

"; ""; "P14802"; "pec"; "Fertilizers--West Virginia--Analysis."; "14256"; .