Relative size of sand, silt and clay ...

Soil is made up of different-sized particles ...

Physical adaptations for life ...

Although earthworms are classified as ...

The phosphorus cycle

Phosphorus moves in a cycle through rocks ...

Dandelion seeds

Dandelion seeds float away in the wind. To ...

Plant uptake of nitrogen compounds

Once nitrogen is converted into such ...

Nutrient leaching

Dr Ross Monaghan from AgResearch at Invermay ...

Why do scientists study the soil?

Along with the water we drink and the air we ...

Phosphorus availability to plants

A lot of the phosphorus in soils is ...

Denitrification process

Dr Selai Letica explains the process of ...

Selection of foods

We need energy to enable growth and repair of ...

Important soil properties

Professor Louis Schipper from the University ...

Nitrification inhibitors

Dr Ross Monaghan from AgResearch at Invermay ...

Soil formation

Professor Louis Schipper from Waikato ...

Soils are not all the same

Soils can differ widely from location to ...

Phosphorus

Dr Ross Monaghan from AgResearch at Invermay ...

New Zealand native earthworm O. ...

New Zealand has over 200 known species of ...

New Zealand soils map

Soil classification begins with a soil order ...

What is biogeochemistry?

Professor Louis Schipper from Waikato ...

The importance of clover

Dr Ross Monaghan from AgResearch at Invermay ...

Reducing nitrous oxide

Dr Selai Letica explains her work in managing ...

Essential needs for plants

Plants need water, carbon dioxide and ...

Managing the nutrient problem

Dr Ross Monaghan from AgResearch at Invermay ...

Bioluminescent fluid

Octochaetus multiporus squirts out coelomic ...

Point source contamination

In this video, educator Angela Schipper ...

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