TY  - BOOK
AU  - Connor,David J
AU  - Cassman,Kenneth G
AU  - Loomis,Robert S
TI  - Crop ecology: productivity and management in agricultural systems
U1  - 630.277 
PY  - 2011///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Agricultural ecology
KW  - Agricultural systems
ER  -