Commercial fertilizers
Stewart, J.H., Hite, B.H.
Commercial fertilizers - Morgantown 1901 - 1-32 p. p. - Commercial, Fertilizers West Virgina Agricultural Experiment Station. Bulletin No. 72 .
Commercial fertilizers - Morgantown 1901 - 1-32 p. p. - Commercial, Fertilizers West Virgina Agricultural Experiment Station. Bulletin No. 72 .