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Please note our Whitianga office will be closed to the public on Tuesday, 16 September and Wednesday, 17 September 2025. You can still contact our staff on freephone 0800 800 401 or via an online form.

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Effluent application depth

Use the template below to help you calculate effluent application depth:


Amount of nitrogen to be applied in kilograms per hectare
 

Nitrogen content of effluent in kilograms per litre (0.04% = 0.0004 kg/L)  
 

1 Hectare = 10000 square metres  
 
  =  
  Depth in millimetres