TY  - BOOK
AU  - United States Department of Agriculture
TI  - Manual on conservation of soil and water: Handbook of Professional Agricultural Workers
U1  - 631.45 
PY  - 1964///
CY  - New Delhi
PB  - Oxford and IBH Publishing Co.
KW  - Agriculture and related technologies
KW  - Technology (Applied sciences)
KW  - Soil conservation
KW  - Water conservation
ER  -