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Soil testing locations

Many OSU Extension Master Gardener programs offer basic soil pH testing. Contact your local Master Gardening program to inquire about what is offered near you.

You may need to refer to a laboratory. This publication includes information on selecting a soil testing laboratory:

Types of soil testing

In addition to being tested for acidity, soil can also be tested for potential contamination or for nutrient content. The following resources have more information on different soil tests:

    How to collect soil samples

    To ensure accurate results, you must sample your soil correctly and consistently. The following materials have instructions for collecting soil samples:

    Soil test results

    This guide explains how to interpret your soil test results, including how and when to test soil, which test results suggest deficiencies or excessive concentrations and offers solutions to correct soil imbalances:

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