HOMEWORK #2

Provide horizon nomenclature and interpretive characteristics (runoff class, saturated hydraulic conductivity class ofthe most limiting horizon, available water holding capacity class, and wetness class) for the following two pedons.

Pedon 1

Soil Series: NSD Pedon:S89GA-303-028

Location: Washington County, GA. From intersection of Hwys 15 and 24 in Sandersville, 9.3 km north onHwy 15. Pedon is 80 m west of Pedon S89GA-303-025. Washington and Wilkinson Cos. Soil SurveySheet 9.

Landform: Lower BackslopeElevation (m): Slope: 3% W

Parent materials: Undifferentiated Coastal Plain Sediments

Physiography: Marine terrace in Coastal PlainLand use: cropland

Described by: Smith, Kring, West Date: 11/89

Soil Description: (colors for moist soil unless otherwise noted)

- 0 to 25 cm; dark gray (10YR 4/1) loamy sand; weak fine granular structure; very friable; many fine roots; abruptboundary.

- 25 to 36 cm; pale brown (10YR 6/3) loamy sand; weak fine subangular blocky structure; very friable; common fineroots; clear boundary.

- 36 to 64 cm; light yellowish brown (2.5Y 6/4) loamy sand; weak fine subangular blocky structure; very friable;common fine roots; gradual boundary.

- 64 to 89 cm; light reddish brown (2.5YR 6/4) loamy sand; common medium prominent yellowish brown (10YR 5/6)redox concentrations; weak medium subangular blocky structure; friable; few fine roots; gradual boundary.

- 89 to 145 cm; light gray (10YR 7/1) sandy clay loam; common medium distinct strong brown (7.5YR 5/6) andcommon fine prominent red (2.5YR 4/8) redox concentrations; moderate medium subangular blocky structure;firm; few fine roots; common distinct clay films on peds; gradual boundary.

- 145 to 203 cm; light gray (10YR 7/1) sandy clay loam; common medium distinct strong brown (7.5YR 5/6) andcommon fine prominent red (2.5YR 4/8) redox concentrations; moderate medium subangular blocky structure;firm; few fine roots; common distinct clay films on peds.

Pedon 2

Soil Series: Pedon:S89GA-303-018

Location: Washington County, GA. From intersection of Hwys 68 and 15 in Tennile, GA, 100 m north on

Hwy 15 to intersection, 1.1 km east on city street/county road. Pedon is 50 m north of road in field.

Washington and Wilkinson Cos. Soil Survey Sheet 26.

Landform: Upper backslope Elevation (m): Slope: 3% E

Parent materials: Undifferentiated Coastal Plain Sediments

Physiography: Marine terrace in Coastal Plain Land use: cropland

Described by: Smith, Kring, West Date: 11/89

Soil Description: (colors for moist soil unless otherwise noted)

- 0 to 18 cm; dark brown (10YR 3/3) loamy sand; weak fine granular structure; very friable; many fine roots; abrupt smooth boundary.

- 18 to 43 cm; dark yellowish brown (10YR 4/4) sandy loam; weak medium subangular blocky structure; friable; common fine roots; many medium and coarse pores; few thin clay films on peds and in pores; few dark stains on ped faces; clear smooth boundary.

- 43 to 63 cm; yellowish brown (10YR 5/6) sandy clay loam; moderate medium subangular blocky structure; friable; few fine roots; many medium and coarse pores; common medium clay films on peds and in pores; few dark stains on ped faces; gradual wavy boundary.

- 63 to 97 cm; yellowish brown (10YR 5/6) sandy clay loam; common medium distinct yellowish red (5YR 5/8) redox concentrations; moderate medium subangular blocky structure; friable; few fine roots; many medium and coarse pores; common medium clay films on peds and in pores; gradual wavy boundary.

- 97 to 132 cm; yellowish brown (10YR 5/6) sandy clay loam; common medium prominent red (2.5YR 4/6) redox concentrations; common medium distinct light brownish gray (10YR 6/2) redox depletions; moderate fine subangular blocky structure; firm; few fine roots; many medium and coarse pores; common medium clay films on peds and in pores; 5% nodular plinthite up to 2 cm diameter; gradual wavy boundary.

- 132 to 175 cm; yellowish brown (10YR 5/6) sandy clay loam; many medium prominent red (2.5YR 4/6) redox concentrations; many medium distinct light brownish gray (10YR 6/2) redox depletions; weak coarse subangular blocky structure; very firm; few fine roots; many medium and coarse pores; common medium clay films on peds and in pores; 20% platy plinthite up to 15 mm thick and 150 mm along long axis; gradual wavy boundary.

- 175 to 216 cm; light brownish gray (10YR 6/2) sandy clay loam; many medium prominent red (2.5YR 4/6) and many medium distinct yellowish brown (10YR 5/6) redox concentrations; weak coarse subangular blocky

structure; very firm; few fine roots; many medium and coarse pores; common medium clay films on ped faces

and in pores; 25% platy plinthite up to 15 mm thick and 150 mm along long axis.