Dungan, George H. 1887-
Growing field crops / George H. Dugan [and] W. A. Ross. - New York : McGraw-Hill, 1957. - 495 p. : ill. ; 24 cm. - McGraw-Hill rural activities series .
Includes bibliographical references and index.
56008173
GB57-4563
Field crops.
SB185 / .D84
633 / DUG
Growing field crops / George H. Dugan [and] W. A. Ross. - New York : McGraw-Hill, 1957. - 495 p. : ill. ; 24 cm. - McGraw-Hill rural activities series .
Includes bibliographical references and index.
56008173
GB57-4563
Field crops.
SB185 / .D84
633 / DUG