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The top documents tagged [productive layer of]
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Soil Formation, Erosion and Conservation. Soil Profile O Horizon – Organic O Horizon – Organic HUMUS: detritus, leaf litter and other organic material
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Soil Chapter 8. Soil Characteristics Most soils contain four basic components: Organic matter Mineral particles Water Air
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Soils CharacteristicsTexture Soil Profile Soil Types Threats to Soil
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3 rd Grade Edition Fall 2012, Version 1.0 400 600 800 1000 200 400 600 800 1000 200 400 600 800 1000 200 400 600 800 1000 200 400 600 800 1000 200 Earth’s
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