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Predicting Land-Based Nitrogen loads and Attenuation in the Rangitikei River Catchment - the Implications for Land Use

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posted on 2024-06-21, 04:04 authored by David Horne, Ahmed Elwan, Ranvir Singh, Andrew Manderson, Maree Patterson, Jon Roygard
Where both the intensity of land use in high N-attenuation areas was increased and the intensity of land use in low N-attenuation areas was decreased, N loss from agricultural land was greater but, importantly, N load to the River was lower. The approach described here is useful to identifying the potential (so-called) 'head space' for increased N leaching from farms within catchments and more efficiently allocating land use intensity to contrasting landscapes. Fertilizer and Lime Research Centre workshop 30.

Funding

Funded by the New Zealand Ministry for Business, Innovation and Employment's Our Land and Water National Science Challenge (Toitū te Whenua, Toiora te Wai) as part of project Benign Denitrification in Groundwaters

History

Publication date

2017-02-07

Language

  • English

Does this contain Māori information or data?

  • No

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