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Problem+set+1+-+Key - Key for Problem Set #1 1. For the...

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Key for Problem Set #1 1. For the following descriptions of soil horizons, indicate what Master horizon designation (e.g., capital letter – A, B, C, etc.) and when appropriate what subhorizon designation (e.g., lower case letter – a, b, c, etc.) best characterizes the described horizon. Oi An organic horizon with recognizable oak leaves. The organic material indicates that it is some type of O horizon. The fact that the original materials are recognizable means that it is weakly decomposed. Thus an Oi horizon. C Unconsolidated material displaying little weathering or biological activity. The little weathering and biological activity aspects indicate either a C or R horizon is being described. The fact that it is unconsolidated (it can be dug with a shovel) indicates that it is a C rather than a R horizon. BA A subsoil horizon having both a dark color due to organic matter and a red color due to iron oxides. Assume that this horizon is more red than it is black. The dark color indicates that it contains properties of an A horizon; the red color due to iron oxides
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This note was uploaded on 01/27/2011 for the course SSO 10 taught by Professor Randydahlgren during the Fall '10 term at UC Davis.

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Problem+set+1+-+Key - Key for Problem Set #1 1. For the...

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