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RelativeResourceManager.page08 - Functions of Soil...

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NRES 201 Intro Soil Science Lec. 25-26 Soil Organisms Ch. 10 3/4/2007 8 Soil organisms also include: Soil organisms also include: Protozoa - Can swim and rest engulf their food (bacteria) - Water-borne diseases common Protozoa Protozoa - Heterotrophic organisms, most protozoa are predatory or parasitic organisms. - Important in tropical climates because they cause many important human diseases.
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Unformatted text preview: Functions of Soil Organisms:- Add organic material to soils.- Decay the organic residues of other organisms which increases availability of many plant nutrients- Mediate many important soil reactions.- Increase weathering, leads to increases soil fertility- Cause many plant and animal diseases...
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