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Soil Pot Worms

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This short video shows images and movement of soil pot worms at 40 to 500X magnification.

Soil Taxonomy

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An overview of soil classification

Microbial Biomass in Soil

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How microbes in the soil, support life above it.

Earthworms

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The Impact of Earthworms on Soil Mixing, Turning, and Aeration

Soil Organic Matter

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Typical percentages of the states of decomposition of organic matter in soil.

Extracting Soil Fauna

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The Berlese Apparatus

Classification of Bacteria and Archaea

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1000x Image of Clostridium perfringens

Relative Size of Soil Microorganisms

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Just How Small Are They?

Profile of an Alpine Andisol

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Well-developed horizons of an alpine andisol

Ultisol: Plinthustult

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From The Marbut Memorial Slide Collection

Inceptisol: Pergelic Cryaquept

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From The Marbut Memorial Slide Collection

Vertisol: Typic Haplustert

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From The Marbut Memorial Slide Collection

Ultisol: Typic Kanhapludult

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From The Marbut Memorial Slide Collection

Mollisol: Typic Haplustoll

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From The Marbut Memorial Slide Collection

Histosol: Limnic Medisaprist

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From The Marbut Memorial Slide Collection

Entisol: Lithic Ustorthent

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From The Marbut Memorial Slide Collection

Entisol: Typic Udifluvent

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From The Marbut Memorial Slide Collection

Aridisol: Typic Salorthid

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From The Marbut Memorial Slide Collection

Aridisol: Petrocalcic Paleargid

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From The Marbut Memorial Slide Collection

Aridisol: Typic Haplargid

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From The Marbut Memorial Slide Collection