ENVIRSC 2B03 Lecture 3: Soils Chapter 3 Lecture
7 Feb 2017
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Document Summary
We only need to know about the canadian system of classification. B: the one we pay attention to as people who are interested in soils. L-f-h layers: developed from leaves, twigs, woody materials, minor component of mosses, not that disturbed. L: original structures of organic material are easily recognized. Ae: depleted of clay, fe, organic acids; heavy loss; platy structure. Bm: slightly modified structure and/or colour, weakly developed. Bn: na (clays are dispersed because sodium is big, plants don"t like na) Bg: gleyed due to frequent saturation, oxidize fe red tinge, grey outside because of saturation. Taxa of canadian system of soil classification (only great suckers fuck sheep) Chermozoic, podzolic, brunosolic, organic, cryosolic, solonetzic, luvisol, regosolic, gleysolic, Alphabetical: brunosolic, chermozoic, cryosolic, gleysolic, luvisolic, organic, podzolic, regosolic, Order of classifying: cryosolic, organic, vertisolic, podzolic, gleysolic, solonetzic, chernozoic, Chernozemic: prairies under xerophylic or mesophylic grasses and forbs or grassland-forest transition cool to cold subarid to subhumid.
