Crops : a self-teaching course : based on crop management and soil conservation
Cox, Joseph Frank.
Crops : a self-teaching course : based on crop management and soil conservation - New York : Wiley, 1937 - 307 p. : ilus.
2c. ed. x EVA. Romed forces Institute
34981
Cultivos--E.U.A.
Suelos--Conservación--E.U.A.
633 / C69c
Crops : a self-teaching course : based on crop management and soil conservation - New York : Wiley, 1937 - 307 p. : ilus.
2c. ed. x EVA. Romed forces Institute
34981
Cultivos--E.U.A.
Suelos--Conservación--E.U.A.
633 / C69c