TY  - BOOK
AU  - United States Department of Agriculture
TI  - A manual on conservation of soil and water/by United States Department of Agriculture
U1  - 631.4  
PY  - 1964///
CY  - New Delhi
PB  - Oxford & IBH Publishing
KW  - Agriculture and related technologies
KW  - Technology (Applied sciences)
KW  - Soil conservation | Water conservation
ER  -