OpenAGRICOLA
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- alachlor[remove]7
- atrazine[remove]7
- streams[remove]7
- metolachlor6
- water pollution6
- herbicide residues5
- groundwater contamination4
- water quality4
- watersheds4
- AgSpace3
- nitrate nitrogen3
- nitrates3
- surface water3
- ametryn2
- application rate2
- aquifers2
- composting2
- cyanazine2
- gas chromatography2
- geographic information systems2