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Published byRaphael Bullock Modified over 10 years ago
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George Martin Soil Data Quality Specialist USDA-Natural Resources Conservation Service Auburn, AL
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Alabama - a Rich and Beautiful State
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Lake Martin -- Tallapoosa County
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Little River -- DeKalb County
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Ridge and Valley Cherokee County
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Needle Eye Rock -- Little River Area, DeKalb County
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Baldwin County
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Blackland Prairie -- Dallas County
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Loblolly pine -- Crenshaw County
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Corn and Pine -- Dothan soils, Covington County
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Alabama -- A State of Diversity Alabama has a very diverse and varied geologic history resulting in a variety of physiographic regions scattered throughout the state.
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The Soil Areas of Alabama
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Soil Survey §INVENTORY OF SOILS l Characteristics l Map §PREDICTION OF BEHAVIOR l Cropland l Woodland l Building Sites l Waste Disposal
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Alabama Cooperative Soil Survey §Landgrant Universities and Agricultural Experiment Stations §Cooperative Extension System §S&W Conservation Committee §USDA-NRCS, Forest Service, RD §State Health and Highway Departments §Local SWCD, County Commissions
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Estimated Acreage by Soil Taxonomic Order * 8 of 12 Soil Orders mapped in Alabama ~375 Soil Series ~4,500 Mapping Units
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The Soil Survey Program - 1899
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And, we’re still mapping soils.
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Our tools and methods have changed.
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Status of Soil Survey 36 Modern Reports 3 Awaiting Publication 4 Mapping complete 5 In progress
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Status of Digitized Soil Surveys 20 counties completed 4 counties in progress
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Limestone valleys and uplands Limestone valleys and uplands
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Limestone Valleys and Uplands Thick beds of limestone and dolomite, Conasauga Formation
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Decatur Series A very deep, moderately slowly permeable, clayey soil; Tennessee Valley.
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Bodine Series
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Barfield Series A shallow, clayey soil over hard limestone bedrock; Valley and Ridge Province
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Appalachian Plateau
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Fractured sandstone, Pottsville Formation
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Hartsells Series A loamy, well drained, moderately deep (20-40”) over sandstone bedrock.
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Townley Series
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Piedmont Plateau
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Tilted, thinly stratified metamorphic and igneous bedrock Piedmont Plateau
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Cecil SeriesLloyd Series
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Tallapoosa Series
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Coastal Plain
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Sandy Geological Strata Troup and Alaga soils
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Lucy SeriesOrangeburg-Lucy Soil Landscape
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Coastal Plain Thinly stratified clays and shales Luverne and Boswell soils
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Coastal Plain Thick bed of siltstone (buhrstone), Tallahatta Formation Arundel, Cantuche, and Lauderdale soils
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Blackland Prairie
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Blackland Prairie Thick beds of Demopolis Chalk
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Okolona Series Sumter Series
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Demopolis Series A shallow (10-20 in.), loamy soil over chalk bedrock. Generally has common or many concretions of CaCO3.
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Hannon Series
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Blackland Prairie Soil Landscape Relationships
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Major floodplains and terraces
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Riverview Series
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Bama SeriesSavannah Series
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Coastal marshes and beaches
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Coastal Marsh
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Newhan Series Leon Series
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Land use map developed from LandSat TM imagery
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Soil Properties Important to Agriculture §Texture §Available water capacity §Rooting depth §Natural fertility §pH & Aluminum toxicity §Organic matter content §Natural drainage
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Cropland Capability Classification
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Percentage of Land in Land Capability Classes I - IV in the United States, Alabama, and Iowa
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