00845cam a22002411 4500 agr48000049 DLC 20260227111008.0 830602s1947 njuabc b 000 0 eng c agr48000049 (OCoLC)9569024 U.S. Dept. of Agr. Libr. CNoS CNoS DLC premarc SB192.U5 A6 633 Ahlgren, Gilbert H. (Gilbert Harold), 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. Field crops United States. Ingham, Van Wie, 1906- ed. 10765 10765