TY  - BOOK
AU  - Ahlgren,Gilbert H.
AU  - Ingham,Van Wie
TI  - Practical field crop production for the Northeast: an elementary introduction to agronomy,
AV  - SB192.U5 A6
U1  - 633 
PY  - 1947///
CY  - New Brunswick
PB  - Rutgers Univ. Press
KW  - Field crops
KW  - United States
N1  - Includes bibliographies
ER  -