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

• Nutrient Assessment of Irrigated Vineyards in the Inland Pacific Northwest (Tissue Sampling) (.pdf) – PNW #622
• WESTERN WA – Grapevine Nutrition Module – OSU #EM9024
• Analytical Labs – After clicking on the link, select “Browse by Services” on the left. Under Nutrition, select “Plant Nutrition.”

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 (.pdf) – PNW #601e
• Acidifying Soil for Crop Production – Inland Pacific Northwest (.pdf) – #PNW599e
• Changing Soil pH (.pdf) – UC-Davis Viticulture Extension

Soil Sampling and Nutrient Management

• Soil Sampling and Testing Guidelines – WSU Website
• ORGANIC – Soil Fertility in Organic Systems (.pdf) – #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

Understanding Fertilizer Calculations

• Calculating Chemigation Injection Rates (.pdf) – WSU #FS035E
• ORGANIC – Organic Fertilizer Calculator – OSU Website
• ORGANIC – Understanding C:N Ratios and Using the Organic Fertilizer Calculator (.pdf) – WSU Presentation

General IPM

• Field Guide for Integrated Pest Management in Pacific Northwest Vineyards – #PNW644