Hughes, Harold De Mott, 1882-1969.
Crop production / Harold De Mott Hughes and Edwin Ray Henson. - New York : The Macmillan company, c1930. - x, 816 p. : ill. ; 25 cm.
Includes index.
30029466
Field crops.
S501 / .H83
631.5 / HUC
Crop production / Harold De Mott Hughes and Edwin Ray Henson. - New York : The Macmillan company, c1930. - x, 816 p. : ill. ; 25 cm.
Includes index.
30029466
Field crops.
S501 / .H83
631.5 / HUC