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Listed under:  Earth structure  >  Earth's crust  >  Soil
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Vegetables Victoria: soil health

This video of 6.5 minutes includes interviews with vegetable growers who have been in the industry for a long time, talking about the development of fertiliser practices from collecting manures and spreading them by hand to the use of chemical fertilisers. The farmers talk about the extra benefits of manures for soil health ...

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Treating your soil like dirt

Does the overuse of chemicals threaten our agricultural soils? Listen to views of biological farming advocates such as Dr Maarten Stapper. Find out why they believe that an active, healthy soil is vital to ensuring sustainable and productive crops.

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Acidity in the soil

This short unit of three lessons explores soil pH and introduces the pH scale as an international standard. The first two lessons explore the concepts of acidity and alkalinity in foods and in soil. Students research plants that prefer acidic or alkaline soil conditions. A reference sheet for the teacher explains the pH ...

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Who loves soil? Tim does!

Listen as Tim Overheu describes a day in his life as a soil scientist. He is passionate about keeping soils healthy and spreading his message to others. Find out how to conduct a soil test.

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CSIRO: Uncovering the dirt on soil and water

This is a CSIRO vodcast of more than 9 minutes that shows, using simple models and demonstrations, how water moves through the soil profile. It then discusses how this understanding can be used to improve the efficiency of crop irrigation by minimising water losses to deep drainage. It also follows the development of a ...

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Cracked soils

This brief video segment from Catalyst demonstrates how scientists have developed probes to measure the water content of soils and therefore monitor the effectiveness of irrigation and the efficiency of water usage.

Online

Saving our Soils

This is a unit of work about the characteristics of soil and the important role soil plays in supporting life on Earth. The unit is divided into seven activity sequences that explore the definition of soil; the characteristics of soil types; the effects of soil nutrients on plant growth; and the role of ground cover in ...

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EnviroNorth: soils of the savannas

This is a website about the soil in Australia's tropical savannas. It provides information about the formation of soil; the process of soils losing and regaining nutrients; different soil types; characteristics of savanna soils; impacts of soil on grazing; and a glossary of soil terms. Images and maps support the information. ...

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Water through cracked soil

Watch scientists investigate water movement through soil that has been cracked by drought. Australian scientists demonstrate a new way to investigate how water moves through the cracks using electrical probes to measure soil moisture at different soil depths. This technology could help farmers more efficiently irrigate ...

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Finding scientific solutions

This Teacher resource focuses on the work of scientists. Investigate how scientists work together to find solutions to problems that directly affect the lives of people and other living things.

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Landforms from space

This is an online resource containing satellite images of nine distinctive landforms across Australia. The images, taken from the Landsat satellite series, are of the landforms: Roper River, NT; Lake Eyre, SA; Gulf Country, Qld; Channel Country, Qld; Cairns, Qld; Liverpool Plains, NSW; Snowy Mountains, NSW; Gippsland, Vic; ...

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Land crayfish

This is an information sheet on land crayfish. It provides information about their classification, distribution, behaviour and life cycle.

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Turning rock into soil

How long does it take to wear away a mountain? Discover the forces of nature that can turn rock into soil and a mountain into a small hill. Watch as the presenter demonstrates some of those forces that can change the face of the Earth. Find out that even plants and animals play a role in creating soil.

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Melting permafrost: a sign of climate change?

Until recently, evidence led scientists to think that Arctic permafrost was melting at a much slower rate than is the case now. During climate change talks, a stark warning was sounded that permafrost thawing could push the Earth's climate past a tipping point. In this clip, find out a bit more about permafrost melting ...

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Erosion moves rocks and soil

Imagine the power of wind and water as mountains are worn down and sent to the sea. Recognise the importance of water as it moves particles of different sizes and deposits them to form new soils that support plant and animal life. Consider evidence that erosion is an important process in the formation of new rock in a continual ...

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Big sky sunsets at Windorah, Qld

In this clip the narrator will show you a place that she likes to visit. This place is near Windorah in Queensland. The narrator says that this is 'big sky country'. She likes to sit in the sand dunes and watch the colours around her change as the sun goes down.

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Geology's role in studying soil and finding fuels

Understand how geologists can build a picture of the past that helps us to solve environmental problems such as soil salinity and to discover resources such as coal and oil. See how geology reveals problems with soil in farming areas. Watch how coal, oil and natural gas are formed underground, and how geologists identify ...

Online

Biodiversity: protecting the environment

This study guide examines the complexity and importance of maintaining a vibrant and healthy farming environment including management of the biodiversity that pasture, livestock and natural fauna and flora. A range of articles and activities explore the challenges and opportunities that cattle and sheep farmers are embracing ...

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TAR-RU: The story of Lake Victoria

This 46 minute video explores the environmental and cultural impact of a dam on Lake Victoria in south western NSW and current efforts to protect the significant Aboriginal heritage and environmental values of the area. It provides a comprehensive historical case study about the Aboriginal culture at TAR-RU and the effect ...

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Feeding soils to grow hungry crops

How do today's farmers improve their crop yields? One school of thought is to go high-tech and use agricultural technologies designed to improve efficiencies and yields. See the role that soil condition plays in gaining those high yields.