Soil Health References
How to Take a Soil Sample: This guide from Oregon State University explains the benefits of taking soil samples for analysis plus how to sample your soil, choose a lab, and select parameters to test. Click here.
Soil Test Interpretation Guide: A good OSU general guide to interpreting soil test results for phosphorus, potassium, pH, and other nutrients. Click here.
USDA-NRCS Soil Health Site: This website has a variety of links to information about the principles of soil health plus practices to make your soil healthier. Click here.
Cover Crop Periodic Table: An information-packed pdf from USDA that provides information about a variety of cover crops, including whether they are cool or warm season; grass, legume, or other broadleaf; water needs; and more. Click here.
Life in the Soil: This wonderful publication by James Nardi describes a wide range of organisms that live in the soil. It includes beautiful illustrations. Click here.