[With data from experiments on fertilizing ingredients removed from soil by cotton cultivation; and sample fertilizer formulas] A related document was issued in U.S. Serial Set. Please consult the Index by SuDoc Numbers under A10.3:33 for specific reference.
Microfiche. [Bethesda, Md.]: Congressional Information Service, 1993. 11 x 15 cm. (CIS US Executive Branch Documents, 1789-1909: no. A109-48.D)
CIS Index to U.S. Executive Branch Documents, 1789-1909 Part 4