OpenAgricola
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- AgSpace1
- basins1
- drainage[remove]1
- ecosystems1
- land management[remove]1
- land use1
- nitrate nitrogen[remove]1
- nonpoint source pollution1
- riparian areas1
- seasonal variation1
- soil properties1
- spatial data1
- spring1
- streams1
- surface water1
- vegetation1
- water pollution1
- water quality[remove]1
- watersheds1
- winter1