TY  - BOOK
AU  - Loomis, R.S.
TI  - Crop Ecology: Productivity and management in agricultural systems
SN  - 0521387760
U1  - 631 L77C 
PY  - 1998///
CY  - Cambridge
PB  - Cambridge University Press
KW  - AGRICULTURAL ECOLOGY
KW  - AGRICULTURAL SYSTEMS
ER  -