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T1+slides - Vernal Pool Wetlands Oregon Nevada Arizona...

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1 Vernal Pool Wetlands Oregon Nevada Arizona California Which soil would you choose for your garden? Soil Horizons Topic #1 Goals To understand the characteristics of soil horizons To identify and name horizons in soil profiles Atmosphere Hydrosphere Biosphere Geosphere Soil Zone Soil ecosystem Soil is part of terrestrial ecosystems
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2 Why are soils important in our lives? Food Fiber Forage Tropical forest destruction for palm oil production A new role for soils! What is the soil composed of? ~19,000 different soils identified in the USA R Soil profile: 2-D slice of soil Soil horizons: Horizontal layers
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3 Soil morphological description for a soil horizon A – 0-4 inches; gray (5Y 5/1) loam ; moderate medium subangular blocky structure ; slightly hard, friable, sticky and plastic; many fine roots ; common very fine tubular and interstitial pores . =Consistence
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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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T1+slides - Vernal Pool Wetlands Oregon Nevada Arizona...

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