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Subjects
Water quality, Agricultural chemicals, Economic aspects, Economic aspects of Water quality, Agricultural pollution, Agriculture and state, Cost effectiveness, Cotton, Cotton growing, Drinking water, Economic aspects of Agricultural pollution, Environmental aspects, Environmental aspects of Agricultural chemicals, Government policy, Groundwater, Irrigation farming, Irrigation water, Nitrates, Pollution, Pollution prevention, Purification, Water in agriculture, Water quality management, Water-supply, RuralPlaces
United StatesID Numbers
- OLID: OL513138A
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September 1, 2008 | Edited by RenameBot | fix author name |
April 1, 2008 | Created by an anonymous user | initial import |