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Water productivity and runoff gains from water logged soils

Crop and Livestock Water Productivity in BNB. Water productivity and runoff gains from water logged soils. Other soils with in high rainfall areas. Vertisols. Topographic data (GIS). Non drainable (<2% Slope). Drainable (2-8% slope). Potential Interventions.

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Water productivity and runoff gains from water logged soils

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  1. Crop and Livestock Water Productivity in BNB • Water productivity and runoff gains from water logged soils Other soils with in high rainfall areas Vertisols Topographic data (GIS) Non drainable (<2% Slope) Drainable (2-8% slope) Potential Interventions 2. Crop selection + Improved Crop Management 1. Drainage + WH + Improved Crop management Weather, Soil, Crop data Modeling: Crop Water Productivity Current VS option 1, 2 Potential Models: AquaCrop, Budget, CropWat, APSIM Crop WP Excess Water Met. Stations, RCM, research stations

  2. 2. Crop and livestock productivity through RWMS Livestock management practices Livestock WP Crop WP Feed +Water Modeling: Crop WP Current VS RWMS Potential Models: AquaCrop, Budget, CropWat, APSIM Feed from non agri. land Feed Water Other feed sources eg. concentrate Input data Field survey by students? Crop Map + Management practices (Students) Soil Laboratory data + Sediment quality (students) Weather RCM +weather stations Management: Current Vs Improved Senarios Review + Field survey

  3. Implications at Basin Scale • Results from 1 and 2 are at landscape/farming system scale • A similarity Analysis to identify areas in the basin represented by landscapes in 1 and 2 • Analysis at basin scale would be done under necessary assumptions • Simple spreadsheet may be used

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