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Washington State University - Puyallup Organic Farming Systems and Nutrient Management

Video: How To Take A Soil Sample.

By Dr Craig Cogger

Also check out: ♣ A Guide to Collecting Soil Samples for Farms and Gardens (PDF/HTML-Online). Fery, M., J. Choate, and E. Murphy. 2018. EC 628. Oregon St. Univ. Ext. Serv.