TY  - BOOK
AU  - Troeh, Frederick R
TI  - Soil and water conservation
U1  - 631.6.02 
PY  - 1980///
CY  - New Jersey
PB  - Prentice Hall
KW  - Cropping system
KW  - Soil erosion
KW  - Soil survey
KW  - Water erosion
KW  - Water pollution
KW  - Wind erosion
ER  -