Resources related to

Irrigation

NIWA

You are here: Home ­ Topics ­ Irrigation

Smart irrigation decisions can reduce the loss of nitrogen and phosphorus to freshwater by as much as 85%. Irrigation is also a critical factor in land-use-change decisions. These resources provide evidence to inform more strategic, precise use of irrigation.

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…
View Summary
Summary

Orbiting kiwifruit water meters

Satellites passing overhead could assess water in kiwifruit canopy leaves and help identify when irrigation is needed. As councils tighten up on water allocations, keeping…
View Summary
Journal Article

Development of a Systems Model for Assessing Pathways to Resilient, Sustainable, and Profitable Agriculture in New Zealand

There is a clear research gap in understanding how future pathways and disruptions to the New Zealand (NZ) agricultural system will have an impact on…
View Journal Article
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…
View Summary
Journal Article

Linking the uptake of best management practices on dairy farms to catchment water quality improvement over a 20-year period

Intensive land use, such as dairying, can impair water quality. Although many guidelines exist on how to mitigate the loss of dairy-associated contaminants from land…
View Journal Article
Guidance

Using farm dairy effluent on free-draining soils

Additional measures, on top of regulations and industry good practice and guidelines, may be needed to minimise P losses from FDE applied to free-draining soils.…
View Guidance
Guidance

Using variable rate irrigation to mitigate nutrient losses

Variable rate irrigation (VRI), where the application rate of irrigation water across an area changes depending on soil type and other factors, can also decrease…
View Guidance
Model

Future scenarios for arable agriculture – model

This model allows the exploration of scenarios related to the profitability, resilience, and sustainability of arable agriculture in New Zealand over the next 5–30 years.…
View Model
Rural Professional Fund 2021 22

Rural Professionals Fund 2021–22

There were 12 successful projects in the second funding round for the Our Land and Water Rural Professionals Fund.
View Project
Rural Professional Fund 2020 21

Rural Professionals Fund 2020–21

There were 15 successful projects in the first funding round for the Our Land and Water Rural Professionals Fund.
View Project
Measuring Full Impacts

Measuring Full Impacts of Land-Use Change

Creating a framework to measure the true, integrated effects of land-use systems in Aotearoa
View Project
Scroll to Top