CHAPTER 10

What is soil?

Is a complex mixture of inorganic and organic materials with variable amounts of air and water.
Inorganic Material

clay, silt, sand, gravel and rocks
Organic
- Of living and non-living plant and animal material.
- Living organisms- insects, earthworms and microorganisms
- non-living- plants and animals waste and residues(remains of dead bodies) in differnt stages of decompoition.
Soil is broken down into six general features
- 1.texture
- 2.structure
- 3.acidity
- 4.gas content
- 5.biotic composition
- 6.water content

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CHAPTER 10

Description

creating a subtainable system

Updated

2010-10-19T18:48:11Z

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