No abstract available
MeSH terms
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Biophysical Phenomena
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Conservation of Natural Resources / economics
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Conservation of Natural Resources / methods*
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Environmental Monitoring / methods*
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Midwestern United States
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Nitrates / analysis
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Phosphorus / analysis
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Policy Making
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Quality Improvement
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Rivers / chemistry*
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Socioeconomic Factors
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Water Pollutants, Chemical / analysis*
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Water Quality / standards*
Substances
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Nitrates
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Water Pollutants, Chemical
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Phosphorus