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Reading & Interpreting Soil Test Reports

Part 1 – 458 | Unit 1.4.2

Interpreting Soil Tests for Efficient Plant Growth
and Water Use, New Mexico State University

aces.nmsu.edu/pubs/_a/A141/welcome.html

Nutrient Cycling and Maintaining Soil Fertility in
Fruit and Vegetable Crop Systems

http://www.extension.umn.edu/garden/fruit-vegetable/

nutrient-cycling-and-fertility/#nutp

Ohio Agronomy Guide, Bulletin 472: Soil Fertility

agcrops.osu.edu/specialists/fertility/fertility-fact-

sheets-and-bulletins/agron_guide.pdf

Includes a useful section on soil fertility.

Organic Materials Review Institute

http://www.omri.org

Lists materials, including fertilizers and other

soil inputs, compatible with U.S. National

Organic Program (NOP) standards. Includes

brand name reviews, manufacturer contacts,

and technical information.

Peaceful Valley Farm Supply

http://www.groworganic.com

A catalogue of tools and supplies and technical

support for organic farmers and gardeners,

including soil testing service and soil test kits.

Selecting an Analytical Laboratory, Colorado State
University

http://www.ext.colostate.edu/pubs/crops/00520.html

Soil Cation Ratios for Crop Production

http://www.extension.umn.edu/agriculture/nutrient-

management/soil-and-plant-sampling/soil-cation-

ratios/

Addresses the history of the “basic cation

saturation ratio” concept and examines its

importance and relevancy for crop production.

Soil Test Explanation, Colorado State University

http://www.ext.colostate.edu/pubs/crops/00502.html

Soil Testing, Clemson University Cooperative
Extension Home & Garden Information Center

http://www.clemson.edu/extension/hgic/plants/other/

soils/hgic1652.html

UC Sustainable Agriculture Research and Education

Program (UC SAREP)

http://www.sarep.ucdavis.edu/sarep

Sustainable agriculture news, technical

information, grant programs, and other

information from the University of California.

UC SAREP Solution Center for Nutrient

Management

http://www.sarep.ucdavis.edu/sarep/sarep-solution-

centers

An online information resource on nutrient

management; provides opportunities to engage

with researchers and farmers on pressing

nutrient management needs. Includes forums,

database, and decision-making tools.

Understanding the Numbers on Your Soil Test

Report, University of Arkansas

http://www.uaex.edu/publications/PDF/FSA-2118.pdf

USDA National Organic Program.

http://www.ams.usda.gov/AMSv1.0/nop

Regulations on certification, materials, and

labeling for organic producers and processors.

Resources