In this episode of the HiRes Vineyard Nutrition Podcast, Dr. Patty Skinkis talks with agronomists from Waypoint Analytical and Dellavalle Lab. Learn about the use of petiole vs. leaf sampling, optimal bloom and veraison timing, representative sample design, and common nutrient issues. Gain guidance on improving tissue and soil sampling accuracy, interpreting lab reports, and integrating emerging sensing tools with ground‑truth data to strengthen vineyard nutrition programs. This episode is ideal for vineyard managers, consultants, and Extension professionals looking to improve vineyard nutrient management strategies. Podcast transcript is available at http://beav.es/5GD.

Show notes and links:

Learn more about the HiRes Vineyard Nutrition Project

Learn more about the two labs represented:

• Waypoint Analytical
• Delavalle Laboratory Inc.

Related podcast episodes:

• Season 3, Episode 11 | Behind the Scenes with Tissue Labs (Part 1)
• Season 1, Episode 3 | The Grapevine "Blood Test" (Paul Schreiner)
• Season 1, Episode 8 | Honoring the Past, Building the Future (Matt Fidelibus)
• Season 2, Episode 11 | Virginia Nitrogen Trials – A Tale of Two Cultivars (Dana Acimovic)
• Season 3, Episode 5 | Tailoring Vineyard Nutrition from Soil to Wine (Anji Perry)
• Season 3, Episode 8 | Rethinking Critical Values for Grapevine Nutrition (Matt Fidelibus)
• Season 3, Episode 9 | Digging Deeper to Decode Vine Tissue Results (Cain Hickey)
• Season 3, Episode 10 | Unlocking Healthy Vines with Practical Nutrition Strategies

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This podcast was funded through the National Institute of Food and Agriculture's (NIFA) Specialty Crop Research Initiative Coordinated Agricultural Projects (CAP) grant. Project Award Number: 2020-51181-32159. The continued efforts of the podcast are funded by the Viticulture Extension Program at Oregon State University.

Audio mixed by John Adams.