Nutrition & Soils

Grapevine nutrition is important for the health and productivity of a vineyard. Whether this nutrition comes from the soil or through applications, know what, and how much, a plant is using and what to apply is critical. Please refer to the following publications relating to vine nutrition management and soil fertility.

Nutrient Newsletter

Nutrient Digest – A newsletter for the Western US!

Tissue Sampling and Nutrient Management

Vineyard Nutrient Management in Washington State – WSU #EM111
Analytical Labs – A list of labs that are accredited for soil and tissue testing, maintained by the Soil Science Society of America

Soil pH & Remediation

Soil Characteristics and Quality – A WSU Extension website with great information regarding soils. While tree-fruit focused, it has excellent information especially relating to replant issues.
Managing Salt-Affected Soils for Crop Production – PNW #601e
Acidifying Soil for Crop Production – Inland Pacific Northwest – #PNW599e
Changing Soil pH (.pdf) – UC-Davis Viticulture Extension

Soil Sampling and Nutrient Management

Vineyard Nutrient Management in Washington State WSU #EM111
Soil Sampling and Testing Guidelines – WSU Website
ORGANIC – Soil Fertility in Organic Systems – #PNW644
ORGANIC – Fertilizing with Manure and Other Organic Amendments – #PNW533
Soil Sampling (.pdf)– UI #EB704
Soil Test Interpretation Guide – OSU #EC1478
Analytical Labs and Consultants can provide soil testing for herbicide residues, and general soil characteristics before you plant.
- Select “Browse by Services” on the above website. Labs listed under “Chemical Analyses, Agriculture” and “Environmental” likely do soil testing.
Nematode testing information – Visit our Disease, Pests, and Weed Management Page