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National Water Quality Assessment (NAWQA)
Remove constraint National Water Quality Assessment (NAWQA)
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Agricultural and Resource Economics
Remove constraint Subject: Agricultural and Resource Economics
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Agriculture -- Environmental policy
Remove constraint Subject: Agriculture -- Environmental policy
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Industries -- Environmental aspects
Remove constraint Subject: Industries -- Environmental aspects
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Why is reducing water pollution from agriculture such a stubbornly slow process? Despite several policy initiatives since the 1970s, farms and ranches rank as the primary contributors to impairments of ...
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