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  • Cow pat/dung/poo ourside on grass.
    Rights: The University of Waikato Te Whare Wānanga o Waikato Published 26 March 2021 Size: 580 KB Referencing Hub media

    Nitrogen from the pasture plants is absorbed by the cow’s body, and excess nitrogen is excreted as urine and dung.

    Urine is of particular concern as a considerable amount of nitrogen is deposited in a small area. Pasture plants are not able to utilise all of the nitrogen, and it can be lost to leaching.

    Dairy shed effluent is a mix of wash water, dung and urine. It is collected and treated on the farm and irrigated to the land, returning and reusing the nutrients.

    © The University of Waikato Te Whare Wānanga o Waikato.

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