Our Land and Water

Toitū te Whenua, Toiora te Wai

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Our Land and Water has now ended.
Our mission was to preserve the most fundamental treasures of Aotearoa – its land and water – while producing value from those same treasures.

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Journal Article

Changes in soil cadmium concentrations with time following cessation of phosphorus fertilizer inputs

Cadmium (Cd) can accumulate in soil from the application of phosphorus fertilizer. However, there is little information on what happens to soil Cd concentrations when…
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Journal Article

The mitigation of phosphorus losses from a water repellent soil used for grazed dairy farming

Soil water repellency (SWR) decreases the infiltration rate of soil, increasing the potential for surface runoff in response to rainfall (Bauters et al., 2000). The…
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Video

Our Land and Water Podcast Episode 4: How do we add diversity on farm?

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Technical Report

Denitrification in Shallow groundwaters – an ecosystem service or a pollution swap

Our observations highlight the influence of different hydrogeological settings on spatial variability of partial or complete (benign) denitrification in shallow groundwaters. A better understanding and…
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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…
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Journal Article

A hydrochemically guided landscape classification system for modelling spatial variation in multiple water quality indices: Process-attribute mapping

Spatial variation in landscape attributes can account for much of the variability in water quality relative to land use on its own. Such variation results…
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Technical Report

Wairoa River Bed Sediment

The Wairoa River carries large quantities of fine sediment (clays, silts and sands). This fine sediment cloaks both the bed and the banks of the…
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Video

The Value Project: How Can Aotearoa New Zealand Generate Greater Returns from Sustainable Production?

New Zealand is great at producing food. And we're getting better at doing it sustainably. So how can we capture that value and be rewarded…
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Where are we conducting our research?

This interactive map shows the location of all our research projects to help connect you with the research happening in your catchment.

Hover over regions and click to see key information about the projects.

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