Transcription of Explaining a Soil Profile - Seneca High School
{{id}} {{{paragraph}}}
Example: confidence
Explaining a Soil Profile - Seneca High School
Explaining a soil ProfileHAVE YOU NOTICEDat construction sites how across section of soil has a layered look? soil near the top of the cross section is oftendark, and soil below appears lighter. What youhave seen is a soil Profile . In this unit, factorsthat contribute to the layered look you have seenwill be : Explain the soil Terms: additioneluviationilluviationlosssoil horizonssoil profilesolumsubsoilsubstratumtopsoiltran sformationtranslocationSoil ProfileAsoil profileis a vertical cross section of the soil . When exposed, varioussoil horizons,or layers of soil , become apparent. Each horizon of soil may be different from the other hori-zons in physical or chemical ways. The differences are developed from the interaction of suchsoil-forming factors as parent material, slope, native vegetation, weathering, and : Explaining a soil ProfilePage by CAERT, Inc. Reproduction by subscription (Courtesy, Natural Resources Conservation Service, USDA)A soil Profile is usually studied to a depthof 3 to 5 feet.
eluviation. The A horizon provides the best environment for the growth of plant roots, microorganisms, and other life. The E horizon is the zone of greatest eluviation. Because the clay, chemicals, and organic matter are leached, the color of the E horizon is very light. This horizon usually occurs in
Loading..
Tags:
Information
Domain:
Source:
Link to this page:
Please notify us if you found a problem with this document: