OpenAgricola
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- AgSpace17
- Conservation Reserve Program2
- Soil and Water Assessment Tool model3
- USDA19
- agricultural runoff7
- agricultural watersheds[remove]19
- animal feeding1
- atrazine1
- bank erosion3
- best management practices4
- calibration1
- channelization1
- citizen participation2
- community ecology1
- conservation practices19
- conservation programs19
- cover crops2
- crop rotation1
- data collection1
- databases2