EESB05H3 Study Guide - Midterm Guide: Podzol, Field Capacity, Bulk Density
4 Nov 2014
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30 marks total (do not write on the back) Instructions: answer all of the following seven questions, only in the space provided. Given the following profile description (horizon and depth), identify the soil to the. Order level in the canadian system of soil taxonomy (4 marks): ____gleysol (1 mark, _____chernozem (1 mark)____, ____podzol/ podsol (1 mark)__, _______vertisol (1 mark)________ Using a sequence of three soil profile diagrams, show how time (a chronosequence) in northern ontario would affect formation and classification of soils derived from the same parent material. How does this affect porosity and water holding capacity of soils dominated by sand as compared to soils dominated by clays? (4 marks) Primary differences between sand and clay particles is 1) size and 2) surface area. Size of clay (< 0. 002 mm) and sand (0. 05 to 2 mm; or alternatively, simply > 0. 002 mm).
