RelativeResourceManager(11) - SOILS CONSIST OF THREE MAJOR...

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Intro to Soil Science Lec. 1-2 Introduction Book Ch. 1 1/10/2011 11 Solids , Liquids, and Gases - Soil solids inorganic minerals and organic matter (humus). - Soil minerals are either primary or secondary minerals. - Primary minerals were formed in the original igneous rock. - Secondary minerals formed in the soil by weathering processes. - Humus is the product of the decay of organic residues.
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Unformatted text preview: SOILS CONSIST OF THREE MAJOR COMPONENTS Properties of Soil Solids Texture sand, silt, clay influences water related properties soil chemistry soil mineralogy Organic matter content decomposed plant and animal materials soil chemistry, fertility, tilth microbial energy source...
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