OpenAgricola
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- AgSpace[remove]4
- Zea mays[remove]4
- corn4
- fertilizer rates[remove]4
- nitrate nitrogen4
- nitrogen fertilizers4
- grain yield3
- losses from soil3
- crop models2
- drainage water2
- fertilizer application2
- leaching2
- simulation models2
- subsurface drainage2
- water pollution2
- Glycine max1
- Root Zone Water Quality Model1
- agricultural management models1
- agricultural watersheds1
- application timing1