TY  - BOOK
AU  - Michalson, Edgar L.
AU  - Carlson, John E.
AU  - Papendick, Robert I.
TI  - Conservation farming int he United States: the methods and accomplishments of the STEEP program
SN  - 0849311853
U1  - 630.5 
PY  - 1999///
CY  - Boca Raton, Flo.
PB  - CRC Press
KW  - Agricultura
KW  - E.U.A
KW  - Investigacion
KW  - Cultivos
ER  -