Out of balance
- Journal Title:
- PennState agriculture.
- Journal Volume/Issue:
- 2007 Summer-Fall
- Format:
- Electronic
- Language:
- English
- Subjects:
- agricultural watersheds
rivers
water pollution
nonpoint source pollution
agricultural runoff
agricultural land
pollution control
nitrogen
phosphorus
animal manures
manure spreading
cattle manure - View in NAL's Catalog:
- IND44044487