TY  - BOOK
AU  - Willrich, Ted. L
AU  - Smith, George. E
TI  - Agricultural Practices and Water Quality
U1  - 631.71 
PY  - 1970///
CY  - US
PB  - The loes state university Press
KW  - Agriculture and related technologies
KW  - Technology (Applied sciences)
KW  - Irrigation
KW  - Water quality
ER  -