Unchanged nitrogen loss from dairy farms highlights long-term challenge to NZ waterways

Mon, 15 May 2017

By Jonathan Underhill May 15 (BusinessDesk) - The dairy industry's year-three report on its commitment to mitigating the environmental impact of farming shows it has achieved six of 13 goals that were set out in 2013 but hasn't yet made a dent in nitrogen loss, underlining the long-term nature of the task of improving waterways. Nitrogen leaching in the 2015/16 year was a national average 39 kilograms of nitrogen per hectare per year, unchanged from the previous year. Of the 13 regions surveyed using the Overseer computer modelling syste...

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