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George Martin Soil Data Quality Specialist USDA-Natural Resources Conservation Service Auburn, AL.

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Presentation on theme: "George Martin Soil Data Quality Specialist USDA-Natural Resources Conservation Service Auburn, AL."— Presentation transcript:

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2 George Martin Soil Data Quality Specialist USDA-Natural Resources Conservation Service Auburn, AL

3 Alabama - a Rich and Beautiful State

4 Lake Martin -- Tallapoosa County

5 Little River -- DeKalb County

6 Ridge and Valley Cherokee County

7 Needle Eye Rock -- Little River Area, DeKalb County

8 Baldwin County

9 Blackland Prairie -- Dallas County

10 Loblolly pine -- Crenshaw County

11 Corn and Pine -- Dothan soils, Covington County

12 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.

13 The Soil Areas of Alabama

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15 Soil Survey §INVENTORY OF SOILS l Characteristics l Map §PREDICTION OF BEHAVIOR l Cropland l Woodland l Building Sites l Waste Disposal

16 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

17 Estimated Acreage by Soil Taxonomic Order * 8 of 12 Soil Orders mapped in Alabama ~375 Soil Series ~4,500 Mapping Units

18 The Soil Survey Program

19 And, we’re still mapping soils.

20 Our tools and methods have changed.

21 Status of Soil Survey 36 Modern Reports 3 Awaiting Publication 4 Mapping complete 5 In progress

22 Status of Digitized Soil Surveys 20 counties completed 4 counties in progress

23 Limestone valleys and uplands Limestone valleys and uplands

24 Limestone Valleys and Uplands Thick beds of limestone and dolomite, Conasauga Formation

25 Decatur Series A very deep, moderately slowly permeable, clayey soil; Tennessee Valley.

26 Bodine Series

27 Barfield Series A shallow, clayey soil over hard limestone bedrock; Valley and Ridge Province

28 Appalachian Plateau

29 Fractured sandstone, Pottsville Formation

30 Hartsells Series A loamy, well drained, moderately deep (20-40”) over sandstone bedrock.

31 Townley Series

32 Piedmont Plateau

33 Tilted, thinly stratified metamorphic and igneous bedrock Piedmont Plateau

34 Cecil SeriesLloyd Series

35 Tallapoosa Series

36 Coastal Plain

37 Sandy Geological Strata Troup and Alaga soils

38 Lucy SeriesOrangeburg-Lucy Soil Landscape

39 Coastal Plain Thinly stratified clays and shales Luverne and Boswell soils

40 Coastal Plain Thick bed of siltstone (buhrstone), Tallahatta Formation Arundel, Cantuche, and Lauderdale soils

41 Blackland Prairie

42 Blackland Prairie Thick beds of Demopolis Chalk

43 Okolona Series Sumter Series

44 Demopolis Series A shallow (10-20 in.), loamy soil over chalk bedrock. Generally has common or many concretions of CaCO3.

45 Hannon Series

46 Blackland Prairie Soil Landscape Relationships

47 Major floodplains and terraces

48 Riverview Series

49 Bama SeriesSavannah Series

50 Coastal marshes and beaches

51 Coastal Marsh

52 Newhan Series Leon Series

53 Land use map developed from LandSat TM imagery

54 Soil Properties Important to Agriculture §Texture §Available water capacity §Rooting depth §Natural fertility §pH & Aluminum toxicity §Organic matter content §Natural drainage

55 Cropland Capability Classification

56 Percentage of Land in Land Capability Classes I - IV in the United States, Alabama, and Iowa

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