View Our Strategy Document 2019 – 2024
August 30, 2024
Resources related to
Phosphorus
Adding phosphorus to soil can help grow plants – but too much in our water contributes to algal blooms. These resources can improve your understanding of how phosphorus moves from land to water, and help you find effective ways to minimise phosphorus loss.
Showing 1 - 12 of 131 results
Technical Report
Nitrogen, phosphorus, sediment and Escherichia coli in New Zealand’s aquatic receiving environments: Comparison of current state to national bottom lines
This report is the first assessment of where ‘bottom lines’ for contaminants are exceeded across Aotearoa. It reveals the size of job required to achieve…
Video
Monitoring Freshwater Improvement Actions webinar
This webinar explains an interactive WebApp that helps detect improvements in rivers, lakes and groundwater, and helps select appropriate monitoring technologies that enable early detection…
Interactive Tool
Monitoring Freshwater Improvement Actions Webapp
These WebApp tools will help freshwater stewards and kaitiaki decide what to measure, where, when, with what technology, and understand how much it will cost.…
Technical Report
Learning from Farmers: On-farm emissions reductions
There is a growing emphasis on environmental sustainability within food and fibre systems, both in New Zealand and globally. This is reflected in government regulations,…
Journal Article
A review of the development and implementation of the critical source area concept: A reflection of Andrew Sharpley’s role in improving water quality
Critical source areas (CSAs) are small areas of a field, farm, or catchment that account for most contaminant loss by having both a high contaminant…
Technical Report
The viability, feasibility, and environmental effects from using New Zealand sourced phosphate
New Zealand has accessible, on-shore sources of phosphate, finds this report. There are known phosphate deposits in Clarendon, Otago (containing at least 1.6Mt of phosphate…
Journal Article
Phosphorus applications adjusted to optimal crop yields can help sustain global phosphorus reserves
With the longevity of phosphorus reserves uncertain, distributing phosphorus to meet food production needs is a global challenge. Here we match plant-available soil Olsen phosphorus…
Summary
Better Phosphorus Use Can Ensure its Stocks Last More than 500 Years and Boost Global Food Production
The world has enough stocks of phosphorus to boost global food production for over 500 years – but only if countries are less wasteful with…
Technical Report
Strategies to improve the efficiency and decrease the negative environmental impacts from phosphorous fertiliser use
This report is part of an Our Land and Water National Science Challenge funded project identifying strategies to improve phosphorus (P) use efficiency, decrease the…
Interactive Tool
Freshwater Improvement Scenario Builder
The Freshwater Improvement Scenario Builder is a tool for exploring the effect of mitigation strategies and land use change on water quality. It shows the…
Guidance
Monitoring phosphorus in rivers
Phosphorus is an essential nutrient for the growth and development of plants and animals. It occurs naturally as phosphate bound to rocks and soil, and…
Guidance
Monitoring total phosphorus in lakes
Phosphorus is an essential nutrient for the growth and development of plants and animals. However, elevated phosphorus concentrations in a lake can lead to eutrophication,…