TY  - GEN
AU  - Martin,John H
AU  - Warren,H.Leonard
AU  - David,L.Stamp
TI  - Principles of field crop production
SN  - 0023767200 (hardback)
AV  - SINAUT SB187.U6 M378 
PY  - 1976///
CY  - New York : 
PB  - Macmillan Publishing co Inc, 
KW  - Field crops
KW  - United States
KW  - Plant culture
N1  - includes index; includes bibliographical references
ER  -