
The phosphorus cycle
Learn about the phosphorus cycle and its role in plant and animal growth.

Understanding the chemical factors that limit plant growth is key to looking after your whenua and boosting its productivity. This interactive map tool helps you see how soil nutrients and other chemical properties vary across New Zealand, influencing what plants will thrive where.
You can explore things like soil pH, nutrient levels, and other chemical conditions that might limit your pasture or crops. This gives practical insights for managing fertiliser wisely, improving soil health, and supporting healthy ecosystems and can help you make better decisions about your whenua.

Get high-level soil classification data for Te Ika a Māui to help with land use decisions.

Learn how soil forms, its role on the diverse landscapes of Aotearoa, and its impacts on land management.

Get high-level soil classification data for Te Wai Pounamu to help with land use decisions.

Explore different regulatory, soil, water, and land potential maps for your whenua.

Hear about how climate change could reshape agriculture and land use decisions in Aotearoa.

Find out how well suited the whenua in your rohe is to growing potatoes.

See how much cherries the whenua in your rohe could produce each year.

Get a better understanding of soil types on your whenua and across Aotearoa.


Find out how much kiwifruit the whenua in your rohe could produce each year.

Webinar on NZ land use classes and the new Land Resources Portal for maps, guides, and data.

Discover how Owl Farm tests and protects its soil's physical, chemical and biological health.