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    • A denitrification bed by a glasshouse.
    Rights: Associate Professor Louis Schipper, Department of Earth & Ocean Sciences, The University of Waikato Published 15 April 2009 Size: 25 KB Referencing Hub media

    Wastewater from the glasshouses passes through a denitrification bed before being discharged onto land. Denitrifying bacteria within the bed remove nitrate by converting it to atmospheric gases.

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