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    • Animal urine patches in a paddock.
    Rights: The University of Waikato Te Whare Wānanga o Waikato Published 30 July 2013 Size: 6.4 MB Referencing Hub media

    Animal urine patches are patches of nutrient-rich grass (dark green) caused by urine deposits of cows (and sheep to a lesser extent). These patches contain concentrated amounts of nitrogen.

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      2. ARTICLE

      Inhibiting nitrification

      Dr Ross Monaghan from AgResearch at Invermay is concerned about nutrients from the soil affecting waterways and causing water pollution. This includes excessive levels of nitrogen in groundwater ...

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