Comparison of two soils from NW Alachua County, FL

1. Comparison of two soils from NW Alachua County, FL Alex Pries SWS 5716C Spring 2010

5. Soil # 1: Sandhill Presence of charcoal fragments is an interesting feature; diagnostic of a Penney soil (from USDA type location)… Very well-drained soil as seen by the sand texture throughout the entire soil profile …as is this unique sub-surface E & Bt horizon with discontinuous lamellae. Although, the type location for Penney soil calls this horizon a E & B (from USDA type location)

7. Ap – 2.5” E1 – 19”

8. Ap – 2.5” All E2 E1 – 19”

9. E2 – 53” Areas of depletion (10YR 8/2) E3 – 59” E2 – 53”

10. E3 – 59” Areas of discontinuous lamellae (10YR 5/8)…. …and small areas of continued depletions. E & Bt – 79”

11. Soil # 2: Floodplain/Transitional Bh2 horizon present, shows a marked difference in color and chroma from the Bh1 horizon; likely due to the presence of aluminum AND lack of organic materials. E horizon present, although it has a low color value (not a 6 or higher like one might expect). Water was found very in this layer and prevented further soil augering…who knows what might be further down? Notice the texture change to a sandy loam.

14. Oi – 1.5” A – 3.5” E – 9.5”

15. E – 9.5” Oi – 1.5” A – 3.5” E – 9.5” Bh1 – 17.5”

16. Bh1 – 17.5” Oi – .5” A – 3.5” E – 9.5” Bh2 – 27”

17. Bh1 – 17.5” Oi – .5” Bh2 – 27” A – 3.5” E – 9.5” E’ – 35” Bh2 – 27”

18. E’ – 35” Bh1 – 17.5” Oi – .5” Bh2 – 27” A – 3.5” E – 9.5” E’ – 35” Bh2 – 27” Btg – 53.5”

19. Soil Comparison

20. Soil Comparison