TY  - BOOK
AU  - Peart, R M.
AU  - Shoup, W David,
TI  - Agricultural systems management: optimizing efficiency and performance 
T2  - Books in soils, plants, and the environment
SN  - 9780824747831
U1  - 630.68 
PY  - 2004///
CY  - New York
PB  - Marcel Dekker, ©2004
KW  - Agricultural
UR  - http://www.worldcat.org/oclc/53913119
ER  -