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Calculate salt mass in irrigation water, groundwater upflow and stored in the soil profile
Long-term soil salinity: Calculate the long term soil salt balance for irrigated systems
Groundwater use: Calculate the expected seasonal groundwater contribution to crop water consumption
Drainage system design: Use Hooghoudt or Ernst to evaluate drainage system designs
Soil physical properties: Calculate soil hydraulic parameters based on sand-silt-clay distribution
Root development: Calculate the root development curve for an annual crop