USDA Soil Resources

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Location: Phoenix, AZ (9b)

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This is just a thread to collect some of the awesome resources on the USDA Natural Resources Conservation Service - SOILS in one place.

Subtropical desert (Köppen: BWh)
Elevation: 1090 ft Annual rainfall: 7"

Jennifer Wadsworth

Posts: 2679

Location: Phoenix, AZ (9b)

212

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Get a FREE DOWNLOAD of the Soil Biology Primer by Elaine R. Ingham, Andrew R. Moldenke, Oregon State University and Clive A. Edwards, The Ohio State University.

Please respect their copyright rules.

Subtropical desert (Köppen: BWh)
Elevation: 1090 ft Annual rainfall: 7"

Jennifer Wadsworth

Posts: 2679

Location: Phoenix, AZ (9b)

212

posted 11 years ago

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How To Differentiate and Identify Soil Horizons In The Field

Subtropical desert (Köppen: BWh)
Elevation: 1090 ft Annual rainfall: 7"

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