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Soil Portfolio

Soil Portfolio. By Tim Butterfield. What is soil?. Soil is the medium in which crops are grown to feed human and other living things. It is also is a loose mixture of small minerals and organic material. How is soil formed?.

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Soil Portfolio

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  1. Soil Portfolio By Tim Butterfield

  2. What is soil? • Soil is the medium in which crops are grown to feed human and other living things. It is also is a loose mixture of small minerals and organic material.

  3. How is soil formed? • Soil is formed when organic materials, inorganic materials, weathering, or/and worms help absorb rocks, leaves, waste, organic materials, and inorganic materials into the soil.

  4. What are the three main types of particles in soil? • The three main particles in soil are: • Sand- Sand is the largest type of particle in the soil. • Silt- Silt is not the biggest particle, but not the smallest particle in soil. • Clay- Clay is the smallest particle in soil. It is so small, you can’t see it using a microscope!

  5. Why should we study soil? • We should study soil because we might need to know what is the best type of soil in your yard, or what is in your soil.

  6. What is a soil profile? • A soil profile is something that shows and tells about the soil horizons.

  7. How is each layer of the soil profile formed? • The O horizon is formed when litter, such as leaves, absorbs into the soil. • The A horizon is formed by decomposing plant and mineral material. • The B horizon is formed when soil material that was leached out from the O and A horizons accumulates. • The C horizon is formed by the parent material that was formed. • Bedrock is the last layer.

  8. Which horizon has the most organic material? • The A horizon has the most organic material.

  9. What is a soil scientist and what task do they perform? • A soil scientist is someone who studies the affects of the environment, agricultural production, and human beings as it relates to soil and soil conservation. • They test and monitor soil pollution, erosion, and how humans interact with soil.

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