TY  - BOOK
AU  - Lockhart,James Arthur Renurck
AU  - Wiseman,A.J.L.
TI  - Introduction to crop husbandry
U1  - 633 
PY  - 1966///
CY  - Oxford
PB  - Pergamon Press
KW  - Cropping systems
KW  - Crops
KW  - Fiels crops
KW  - Agricultural pests
KW  - Control
ER  -