Soil Testing & Amendments

  • EC 1478 Soil Test Interpretation Guide

  • EC 628 Soil Sampling for Home Gardens & Small Acreage

  • EM 8677 Laboratories Serving Oregon:  Soil, Water, Plant Tisue, & Feed Analysis

  • EC 1561 Improving Gardens with Organic Matter

  • EC 1585 Acidifying Soils in Landscapes and Gardens East of the Cascades

The OSU Extension Service no longer tests soil samples. 

You can take your soil samples to the following locations to be sent out:

• Midstate Fertilizer Company, Redmond 541-548-2318


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