TY  - BOOK
AU  - Connor, David J. and others,
TI  - Crop Ecology : Productivity and Management in Agricultural Systems
SN  - 9780521744034
U1  - 630.277 
PY  - 2011///
CY  - Cambridge
PB  - Cambridge Univeristy Press
KW  - Crop Ecology
KW  - Ecology
ER  -