Sodium Application Calculator
Inputs
Base Saturation Na percent:
i
This is the percentage of your soil’s nutrient holding sites occupied by sodium. Where to find it: On your soil test report under Sodium Base Saturation, Na percent BS, or Na percent. If you do not have it: Request a soil test that includes base saturations. Tip: Use a result taken within the last 12 months.
CEC (me per 100g):
i
CEC shows how well your soil holds nutrients. Where to find it: On your soil test report listed as CEC, Cation Exchange Capacity, or Total CEC. If you do not have it: Request any standard soil test that includes CEC. Rough guide: Sandy 3 to 8, Pumice 4 to 10, Loams 12 to 20, Clays 20 to 40 plus.
Texture:
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Sandy
Loam
Clay
Pumice
Drainage:
Select from dropdown
Well drained
Moderate
Poor
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Calculated Values
Safety Status:
Base Rate (kg NaCl per ha):
CEC Factor:
Risk Factor:
Final Rate (kg NaCl per ha):
Read the full Sodium Guide (PDF)
Show ROI
Return on Investment (ROI)
Deficiency Level:
Milk response percent:
Milk solids per cow (kgMS):
Milk price ($ per kgMS):
Salt cost ($ per kg):
Spreading cost ($ per ha):
ROI mode:
Whole farm
Per hectare
Total farm area (ha):
Total cow numbers:
Cows per hectare:
Calculate ROI
Clear ROI
ROI percent:
Net return (whole farm):
