TY  - BOOK
AU  - Connor David J; Loomis Robert S; Cassman Kenneth G
AU  -  Cassman Kenneth G
AU  - Connor David J; Loomis Robert S; Cassman Kenneth G
TI  - Crop ecology : productivety and management in agricultural systems
SN  - 9781107610712 (pbk)
U1  - J:95, Q1 TI 
PY  - 2011///
CY  - Cambridge
PB  - Cambridge       
KW  -  Agricultural ecology
KW  -  Agricultural systems
KW  -  Crop ecology
KW  - Botany
N1  - references 516-545p.; Index 546-556p
ER  -