TY  - GEN
AU  - Kropff, M. J. 
AU  - Vanlaar, H. H. 
AU  - Teng, P. S. 
AU  - Aggarwal, P. K. 
AU  - Bouma, J. 
AU  - Bouman, B. A. M. 
TI  - Applications of systems approaches at the field level
SN  - 0792342860
U1  - 630.7 
PY  - 1997///
CY  - Netherlands
PB  - Kluwer Academic Publishers
KW  - AGRICULTURE AND RELATED TECHNOLOGY
KW  - EDUCATIONS , RESEARCH, PRINCIPLES
ER  -