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ARTICLE

The phosphorus cycle

Phosphorus is a chemical element found on Earth in numerous compound forms, such as the phosphate ion (PO43-), located in water, soil and sediments. The quantities of phosphorus in soil are ...

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ARTICLE

Humans and the water cycle

We are becoming increasingly aware of our impacts on nature, but unfortunately many of the things we do have become so ingrained in our way of life that it is hard to change. Different countries ...

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ARTICLE

What is silage?

Silage is preserved pasture. Making silage is an important way for farmers to feed cows and sheep during times when pasture isn't good, such as the dry season. Find out how silage is made below ...

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ARTICLE

Using isotopes as tracers

Radioactive isotopes have many useful applications in a wide variety of situations, for example, they can be used within a plant or animal to follow the movement of certain chemicals. In ...

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ARTICLE

Soil formation

New Zealand has a wide variety of landscapes. A day’s sightseeing journey might include volcanic plateaus, rolling hills, river basins and coastal lands. It is easy to notice how the scenery ...

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ARTICLE

Future uses of transgenic cows

AgResearch scientists have generated transgenic cows with biomedical and agricultural applications. Here, we list potential applications of transgenic cows and describe how a transgenic farm ...

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Economic impacts of GM crops

Can farmers make a profit from growing genetically modified (GM) food crops? Economic modelling can be used to weigh up different factors that influence the profits that can be gained from ...

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New Zealand’s National Science Challenges

As New Zealanders looking to the future, we are faced with many opportunities – and challenges. These include improving the health of all our people, advancing our economic growth, protecting our ...

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Farming development and changing landscapes

Farming is a way of life in New Zealand. Farms cover about half of the country’s land and are important to our economy. Agriculture has shaped who we are as a nation, but it has also had a big ...

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ARTICLE

Make your own silage

Find out how students can make silage at school. You will need (per student group) A large plastic drain pipe, approximately 40-50 cm in length and 15 cm in diameter Plastic sheeting and duct ...

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ARTICLE

Farm management practices

Farming is an economic venture – farmers work the land to gain an income. Many New Zealand farmers have an interest in preserving and enhancing the land for future generations. In order to ...

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ARTICLE

Water quality

The factors that affect water quality include where the water comes from, what is in the environment in the collection area and how it is treated. Source New Zealand gets its drinking water from ...

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ARTICLE

History of New Zealand dairy farming

Dairy farming has changed significantly over the centuries, from hand milking to machine milking. The size of farms and the expectations on farmers have also changed with time. Could fully ...

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ARTICLE

Farming and environmental pollution

New Zealand has had a reputation for being ‘clean and green’ – a country of environmental beauty. Compared to many countries in the world, this is true. However, it’s becoming apparent that New ...

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ARTICLE

Robotic milking

Dairy farming is New Zealand's biggest industry. However, the labour-intensive nature of dairy farming could limit productivity gains. Will automatic milking provide a solution? The importance of ...

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ARTICLE

Farming and the environment – timeline

Use this timeline to to find out about some key dates relating to discoveries about farming and the environment in New Zealand. 800–1200 - People occupy New Zealand New Zealand is covered in ...

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TEACHER PLD

How to play Aqua Republica

Watch Deli Connell and guest presenter Carl Johnson from DHI Water New Zealand demonstrate how to play the inaugural New Zealand Aqua Republica Eco Challenge 2016 in this recorded webinar. ...

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