Oxisols Think….

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Presentation transcript:

Oxisols Think…

Think… Oxides Weathered Tropics

Distribution Mainly intertropical Hawaii and Puerto Rico Hot and humid places ~8% of terrestrial surface USDA-NRCS

Environment High Weathering – high temperatures, high effective precipitation Typically Tropical

Most Weathered

Characteristics Bright Chroma Iron and Aluminum Oxides Low Activity Clay Low Fertility

100x Oxisol Soil

Diagnostic Horizons Oxic Kandic

Suborders Aquox - wet Torrox - dry Ustox – seasonally dry Perox –wet, water permeates Udox – usually moist

Sources: https://www.britannica.com/science/Oxisol http://www.nrcs.usda.gov/wps/portal/nrcs/detail/soils/ref/?cid=nrcs142p2_053606 http://www.cals.uidaho.edu/soilorders/oxisols.htm http://passel.unl.edu/pages/informationmodule.php?idinformationmodule=1130447032&t opicorder=11&maxto=14 http://www2.ctahr.hawaii.edu/tpss/research_extension/rxsoil/Oxisols.htm Soil Science Simplified