SOIL SECTION 
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OVERVIEW
You should visit with your local NRCS office to
obtain a copy of the soil survey for your county. While you are there you should
visit with the staff learn about Highly Erodeable Soils, how they are defined and why they
are important.
RESOURCE MATERIAL
Soil Study Outline and Sample Questions
County Soil Survey Manual - Woodruff Co. is furnished in electronic
format in case you are unable to obtain a survey manual.
Soil Survey
Manual USDA Handbook 18 (Available on the internet at: http://www.statlab.iastate.edu/soils/ssm/gen_cont.html)
Land Judging in Arkansas B305 (Rev. 12.95) (Available
at County Extension Offices)
Prime Farmland List for Your County (Available at Conservation District
Offices)
HEL (Highly Erodible List) of Soils for Your County (Available at
Conservation District Offices)
SUPPLEMENTARY MATERIAL
Glossary of Soil Terminology
(Link does not work)
(http://sharon.cares.missouri.edu/Soils/gloss.htm)
The Natural Divisions of
Arkansas 8,366 KB
Soil Climate Regimes of the US
1611 KB
Geologic
History of Arkansas Through Time and Space 4,786
KB
Keys to Soil Taxonomy 8th
ed 1998 1,720 KB
Keys to Soil Taxonomy
8th ed 1998 Errata 6 KB
Field Book
for Describing and Sampling Soils 1,547
KB
USDA Service Center GIs
Strategy 1,089 KB
Soil Textural Triangle 30 KB
Erosion - Revised Universal Soil Loss
Equation - 30 KB
Woodruff County Soil Survey
Use and Management of
Soils in Woodruff Co 145 KB
Soil
Properties for Woodruff Co 107
KB
Classification
of Soils in Woodruff Co 282 KB
Formation
of Soils in Woodruff Co 86 KB
Glossary of Soil Terms
122 KB
SOIL QUALITY CONCERNS
Soil Quality
Introduction 22 KB
Soil Quality
Concerns - Available Water Capacity 51
KB
Soil
Quality Concerns - Compaction 22
KB
Soil
Quality Concerns - Salinzation 84
KB
Soil
Quality Concerns - Pesticides 56
KB
Soil
Quality Concerns - Biodiversity 58
KB
Soil
Quality Concerns - Erosion 23 KB
Soil
Quality Concerns - Sediment Deposition on Cropland 23 KB
Indicators
for Soil Quality Evaluations 699 KB
Indicators for Soil
Quality Evaluation -Soil pH 65
KB
Indicators
for Soil Quality Evaluation - Infiltration 63
KB
Indicators
for Soil Quality Evaluation - Aggregate Stability 26
KB
Indicators
for Soil Quality Evaluation - Soil Crust 29
KB
Indicators
for Soil Quality Evaluation - Organic Matter 31
KB
Canon Envirothon Core Curricula - www.envirothon.org/resources/guidelines/soilandland.php
(link added Dec. 05)
Updated January 2001
The Envirothon Steering Committee gratefully acknowledges Mr. Alex Winfrey
and Dr. Terry Keisling for overseeing the materials in the Soil Section.