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Soil

Soil. All you wanted to know but were too afraid to ask… …. This is a soil profile. It shows the different layers (called horizons) of soil as you go deeper. Different regions have different soil profiles. The type of soil in an area affects the types of plants that can grow there.

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Soil

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  1. Soil All you wanted to know but were too afraid to ask……

  2. This is a soil profile • It shows the different layers (called horizons) of soil as you go deeper.

  3. Different regions have different soil profiles The type of soil in an area affects the types of plants that can grow there

  4. Canada has many different soil regions

  5. What type of soil is best for agriculture?

  6. Sandy Soil Not good for agriculture Water and minerals drain quickly Therefore plants cannot get enough water and minerals Sandy soil is: Lighter in colour Feels like sand You cannot form it into a ball

  7. Clayey Soil Not good for agriculture Better then sandy soil but, Small/few air pockets so roots get little oxygen Compacts easily making it hard for roots to grow Clayey soil: Feels sticky You can form it into a ball

  8. What Makes Good Agricultural Soil? Not too much clay, not too much sand, not too much silt = LOAM

  9. What Makes Good Agricultural Soil? Good Agricultural soil is… LOAM = a bit of sand, clay and silt Holds enough water and minerals Good amount of air pockets (oxygen) Dark in colour = Lots of decomposing organic matter This means lots of nutrients Full of decomposers like worms They eat organic matter and their poo has the nutrients plants need.

  10. Worms!

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