Practical field crop production for the Northeast; an elementary introduction to agronomy,
Ahlgren, Gilbert H. 1913-
Practical field crop production for the Northeast; an elementary introduction to agronomy, by Gilbert H. Ahlgren [and others] Van Wie Ingham, editor. - New Brunswick, Rutgers Univ. Press, 1947. - x, 437 p. illus., port., maps. 24 cm.
Includes bibliographies.
agr48000049
Field crops--United States.
SB192.U5 / A6
633
Practical field crop production for the Northeast; an elementary introduction to agronomy, by Gilbert H. Ahlgren [and others] Van Wie Ingham, editor. - New Brunswick, Rutgers Univ. Press, 1947. - x, 437 p. illus., port., maps. 24 cm.
Includes bibliographies.
agr48000049
Field crops--United States.
SB192.U5 / A6
633