OpenAGRICOLA
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- atrazine[remove]4
- streams[remove]4
- water pollution[remove]4
- watersheds[remove]4
- groundwater contamination3
- herbicide residues3
- alachlor2
- geographic information systems2
- metolachlor2
- nitrate nitrogen2
- nitrates2
- surface water2
- agrochemicals1
- algae and seaweeds1
- application rate1
- application timing1
- aquatic invertebrates1
- aquifers1
- cyanazine1
- drainage1