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.

Journal Article

Potential phosphorus losses from grassland soils irrigated with dairy factory wastewater

Applying phosphorus (P)-rich wastewater to land can significantly enrich P in topsoil and consequently increase the risk of P losses in surface runoff and leaching.…
View Journal Article
Journal Article

Assessing the leaching of cadmium in an irrigated and grazed pasture soil

To decrease topsoil cadmium (Cd) concentrations we need to make inputs < outputs. Phosphorus fertiliser is the main input of Cd and leaching the main…
View Journal Article
Summary

Project Summary: Facilitating Farmer Economic Understanding of Alternative Land Uses

This article summarises the results of a Rural Professionals Fund project that aimed to investigate the challenges faced by landowners when they seek to diversify…
View Summary
Summary

Project Summary: Reducing Variation in Apple Tree Yield

This article summarises the results of a Rural Professionals Fund project that aimed to see if trees on different soil types on the same apple…
View Summary
Summary

Project Summary: Application of Remote Sensing in Spatial Irrigation Scheduling

This article summarises the results of a Rural Professionals Fund project that aimed to use the SWAN Systems platform, an automated water balance model, alongside…
View Summary
Summary

Project Summary: Measuring Real-Time Nitrogen Losses in Vegetable Production

This article summarises the results of a Rural Professionals Fund project that aimed to find an accurate way to measure the amount of nitrate leaching…
View Summary
Journal Article

Balancing the Push and Pull factors of Land-Use Change: A New Zealand Case-Study

New Zealand is increasingly facing environmental and social challenges associated with its current land-use choices. There is therefore a drive to find ways to continue…
View Journal Article
Journal Article

The potential for phosphorus loss to groundwater from soils irrigated with dairy factory wastewater

Soils irrigated with phosphorus (P)-rich wastewater can increase the risk of P losses from land to water. We investigated if wastewater-irrigated soils can leach P…
View Journal Article
Journal Article

Beyond Sustainable Intensification: Transitioning primary sectors through reconfiguring land-use

Internationally there is a desire to transition farming systems towards more sustainable production in response to global and local social and environmental challenges. This transition…
View Journal Article
Technical Report

Kiwifruit leaf water content detection using Synthetic Aperture Radar (SAR) satellite technology: Final report

The outcomes of this work revealed the spatial and temporal variability of LWC over 6 monitored kiwifruit orchard blocks during a 5-month period. The research…
View Technical Report
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…
View Interactive Tool
Interactive Tool

Actions to Include in a Farm Environment Plan

This interactive infographic is a compilation of actions to decrease the loss of contaminants from agricultural land. Mitigation actions can be filtered by any of…
View Interactive Tool
Scroll to Top