机读格式显示(MARC)
- 000 00796nam 22002295a 45
- 008 830602s1947 njua b 000 0 eng d
- 040 __ |a U.S. Dept. of Agr. Libr. |c CNO |d CNO
- 100 1_ |a Ahlgren, Gilbert Harold, |d 1913-
- 245 10 |a Practical field crop production for the Northeast : |b an elementary introduction to agronomy / |c by Gilbert H. Ahlgren [and others] Van Wie Ingham, editor.
- 260 __ |a New Brunswick : |b Rutgers Univ. Press, |c 1947.
- 300 __ |a x, 437 p. : |b ill. ; |c 24 cm.
- 504 __ |a Includes bibliographical references.
- 650 _0 |a Field crops |z United States.
- 700 1_ |a Inghma, Van Wie, |d 1906-