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November 02, 2023
Resources related to
Nitrogen
Kseniya Kopna, Pexels
Nitrogen can help plants grow, but too much pollutes our rivers, lakes and groundwater. These resources can improve your understanding of how nitrogen flows through our environment, the drivers for regulation, and help you reduce nitrate leaching.
Interactive Tool
LandscapeDNA
The LandscapeDNA information hub gives you access to the Physiographic Environment Classification developed with funding from Our Land and Water. Interactive maps allow you to…
Technical Report
Improving water quality outcomes through real-time quality monitoring: Final report
Effective and reliable, continuous nitrate groundwater sensor monitoring has significant potential for application at the catchment level over several years – to help support a…
Journal Article
Limiting grazing periods combined with proper housing can reduce nutrient losses from dairy systems
Pasture-based and grass-fed branding are often associated with consumer perceptions of improved human health, environmental performance and animal welfare. Here, to examine the impacts of…
Summary
Nutrient losses from global dairy production systems differ
The demand for dairy produce is growing alongside concerns about the impact of intensive dairying on water quality owing to nutrient loss. We found that…
Summary
Sensors increase understanding and interest
Real-time nitrate sensors increased farmer understanding of contaminant pathways through their farm and the impact of rainfall events, and grew community interest in water quality…
Summary
How much nitrogen does asparagus need?
A project to develop a best practice guide for the use of nitrogen in asparagus crops in New Zealand was hampered by one of the…
Summary
Measuring real-time nitrogen loss in cropping
Research showed it was possible to measure and reduce nitrogen (N) loss in real-time from a vegetable production paddock in the Hawke’s Bay. How effective…
Summary
Shelter from the storm
Composting shelters offer shade from the summer sun, and keep cows and staff warm and dry in winter while reducing pasture damage and nitrate leaching.…
Summary
Future scenarios for arable agriculture
Food security, tackling climate change through emissions reduction, and developing alternative proteins in New Zealand are three threads that were explored by the Future Scenarios…
Journal Article
Phosphorus and iron-oxide transport from a hydrologically isolated grassland hillslope
Losses of N, P and Fe in drainage responded differently to waterlogging. Moderate nitrate concentration prevented Fe–P dissolution and loss in drainage. Low nitrate concentrations…
Technical Report
Enhancing Farm Assurance – A White Paper
Assurance systems are one of the cornerstones of the New Zealand economy and agribusinesses – ensuring compliance with regulations, enabling international trade, ensuring safety of…
Technical Report
EU Green Deal: Impact on New Zealand’s Land-based Primary Producers
Several areas of focus for the EU Green Deal are likely to pose significant challenges for New Zealand’s export sectors, not only directly in the…