TY  - BOOK
AU  - Crosson P
AU  - Crosson, P
AU  - Crosson P
TI  - Conservation Tillage and Conventional Tillage : A Comparative Assessment
U1  - CRO 
PY  - 1981///
CY  - Pune
PB  - Soil Cons. Soci. of America
KW  - Conservation
ER  -