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Description & Interpretation of Two Soils In Lake and Orange Counties, Florida

Description & Interpretation of Two Soils In Lake and Orange Counties, Florida. Tim Hull Environmental Pedology. Soil No. 1 - Lake County, FL. Sub-Tropical Climate Average Annual Rainfall ≈ 51” Average Temperature. Mt. Dora, Lake County, FL. Soil No. 1 Landscape Position:

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Description & Interpretation of Two Soils In Lake and Orange Counties, Florida

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  1. Description & Interpretation of Two Soils In Lake and Orange Counties, Florida Tim Hull Environmental Pedology

  2. Soil No. 1 - Lake County, FL • Sub-Tropical Climate • Average Annual Rainfall ≈ 51” • Average Temperature

  3. Mt. Dora, Lake County, FL • Soil No. 1 • Landscape Position: • Knoll on marine terrace

  4. Soil No. 1 Elevation ≈ 125’ Contour Elevations

  5. Soil No. 1 - Soil Survey Map Unit Nos. • Mapped as an Arent • Sample has horizon development • Imprecision due to scale 8 9 17 Soil No. 1

  6. Profile Description: Ap--0-20 cm; brown (10YR 5/3) sand; single grained; loose; many fine roots; abrupt wavy boundary. E--20-32 cm; very pale brown (10YR 7/4) sand; single grained; loose; many fine roots; clear wavy boundary. Bt1--32-98 cm; red (2.5YR 5/8) sandy loam; moderate subangular blocky structure; friable; few fine roots; gradual wavy boundary. Bt2--98-163 cm; red (2.5YR 5/8) sandy loam; moderate subangular blocky structure; friable; common prominent white (10YR 8/1) and yellow (10YR 8/8) areas of depletion; gradual wavy boundary. Bt3--163-224+ cm; white (2.5Y 8/1) loam; strong subangular blocky structure; very friable; many red (2.5YR 5/8) areas of iron accumulation.

  7. Ap Ap E E E Bt1 Bt1

  8. Bt1 Bt2 Bt2 Bt3

  9. Relict redox (ped from Bt3)

  10. Soil No. 2 - Seminole County, FL • Sub-Tropical Climate • Average Annual Rainfall ≈ 51” • Average Temperature

  11. Soil No. 2Seminole County, FLLandscape Position: Floodplain (Econlockhatchee River)

  12. Soil No. 2 Elevation ≈ 10’ 25 Contour Elevations

  13. Soil No. 2 - Soil Survey Map Unit Nos. • Profile characteristics don’t match characteristics of major map unit components • Imprecision due to scale 18 20 29 99 11 28 Soil No. 2

  14. Profile Description: Ap--0-1 cm; very dark gray (10YR 3/1) sand; single grained; loose; many medium and coarse roots; abrupt smooth boundary. E--1-2 cm; light brownish gray (10YR 6/2) sand; single grained; loose; many fine roots, few medium and coarse roots; abrupt smooth boundary. Bh--2-22 cm; very dark gray (10YR 3/1) sand; single grained; loose; many fine roots; few dark reddish brown (2.5YR 3/3) soft masses of iron accumulation; gradual smooth boundary. BE--22-36cm; dark reddish brown (5YR 3/4) sand; single grained; loose; common fine roots; common dark red (2.5YR 3/6) soft masses of iron accumulation and common dark yellowish brown (10YR 4/4) areas of depletion; gradual wavy boundary. E1--36-50cm; brownish yellow (10YR 6/6) sand; single grained; loose; common fine roots; few yellowish red (5YR 5/8) soft masses of iron accumulation; smooth wavy boundary. E2--50-71cm;pale yellow (2.5Y 7/3) sand; single grained; loose; few fine roots; many yellowish red (5YR 5/8) soft masses and pore linings of iron accumulation; abrupt wavy boundary. Bt--71-81cm; dark yellowish brown (10YR 4/4) sand; single grained; loose; few yellowish red (5YR 5/8) soft masses and pore linings of iron accumulation; many yellowish brown (10YR 5/6) areas of depletion; gradual wavy boundary. Bt/Btg--81-104cm; dark yellowish brown (10YR 4/4) sand; single grained; loose; common prominent very coarse gray (5YR 5/1) and many prominent coarse pale yellow (2.5Y 7/3) areas of depletion; gradual wavy boundary. Btg--104-124+ cm; reddish gray (2.5YR 5/1) clay; moderate subangular blocky structure; very friable; many yellowish red (5YR 5/8) soft masses and pore linings of iron accumulation; few prominent very coarse pale brown (10YR 6/3) areas of depletion.

  15. Ap E Bh

  16. E Bh

  17. Bh BE E1

  18. BE Closeup E1

  19. BE E1 Depleted Matrix E2

  20. E1 Redox as soft masses E2 Bt

  21. E2 Redox as soft masses Bt Bt/Btg Homogenous zones of Btg in Bt matrix

  22. Bt Bt/Btg Homogenous zones of Btg in Bt matrix Btg

  23. Bt/Btg Gray colors due to reduction of Fe and anaerobic conditions Depletions Btg Redox as soft masses

  24. Redox Con. As Pore Linings (from Btg)

  25. Comparison of Soil Forming Factors

  26. Soil Properties

  27. Site Characteristics

  28. Soil Classification

  29. Soil Interpretations

  30. Questions?

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