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PODCAST

HiRes Vineyard Nutrition Podcast

The HiRes Vineyard Nutrition Podcast is devoted to helping the grape and wine industry understand more about how to monitor and manage vineyard health through grapevine nutrition research.

science life sciences

All Episodes

41:16

Hidden Drivers of Vineyard Nutrition

HiRes Vineyard Nutrition Podcast ·

2026/03/11

In this episode, Dr. Patty Skinkis talks with Dr. Thibaut Verdenal of Agroscope Research Station in Switzerland about how vineyard management practices—from canopy size and crop load to cover cropping and rootstock choice—shape vine nutrient status and wine quality. Drawing on decades of applied research, Thibaut explains why YAN is often the most important predictor of wine quality, how environmental conditions can overshadow management practices, and why integrated nutrient management should be

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56:28

Behind the Scenes in Tissue Labs (Part 2)

HiRes Vineyard Nutrition Podcast ·

2026/02/11

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

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47:08

Behind the Scenes with Tissue Labs (Part 1)

HiRes Vineyard Nutrition Podcast ·

2026/01/07

Go behind the scenes of vineyard nutrient analysis! In this episode of the HiRes Vineyard Nutrition Podcast, Dr. Patty Skinkis talks with experts from Penn State and Soil Test Farm Consultants about what happens after you submit tissue or soil samples. Learn how labs process samples, ensure accuracy, and why certified labs matter. Plus, practical tips for growers on sampling, documentation, and avoiding common mistakes. Perfect for vineyard managers, consultants, and researchers looking to improve

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39:35

Unlocking Healthy Vines with Practical Nutrition...

HiRes Vineyard Nutrition Podcast ·

2025/11/24

Diagnosing vineyard nutrient issues isn't simple. In this episode, Dr. Patty Skinkis and viticulture expert Fritz Westover share practical strategies for soil and tissue testing, interpreting results, and timing nutrient applications for maximum efficiency. Perfect for growers, consultants, and academics seeking actionable insights to optimize vineyard health and fruit quality. Podcast transcript is available at http://beav.es/5GD. Show notes and links: Learn more about the HiRes Vineyard

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38:40

Digging Deeper to Decode Vine Tissue Results

HiRes Vineyard Nutrition Podcast ·

2025/10/01

Have you ever wondered how vineyard nutrient guidelines are determined? It is through real-world applications and Extension collaboration. Dr. Cain Hickey, Assistant Teaching Professor of Viticulture at Penn State Extension talks about a statewide vineyard nutrition project he is conducting to set the baseline for commercial vineyards in Pennsylvania. Discover how tissue sampling is linked with vine health and wine quality outcomes to develop regional nutrient guidelines. Podcast transcript is

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34:19

Rethinking Critical Values for Grape Nutrition

HiRes Vineyard Nutrition Podcast ·

2025/09/12

Are traditional “critical values” still the best guide for vineyard nutrient management? In this episode, Dr. Matthew Fidelibus joins Dr. Patty Skinkis to explore how applied research is reshaping our understanding of vine nutrition. From nutrient budgeting and rootstock effects to the role of leaf age in remote sensing, this conversation offers practical insights to make data-driven nutrition decisions for vine health and fruit quality and highlights future areas of research. Podcast transcript is

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34:24

From Data to Decisions: Advancing Vineyard Nutrition...

HiRes Vineyard Nutrition Podcast ·

2025/07/30

Dr. Nick Dokoozlian of Gallo shares how cross-sector collaboration is transforming vineyard nutrition management. From remote sensing to sustainability, he highlights the power of data, teamwork, and long-term vision through projects like HiRes and GrapeX to assist growers with complex decision-making. Podcast transcript is available at http://beav.es/5GD. Projects referenced in the podcast: HiRes Vineyard Nutrition Project GrapeX – Grape Remote sensing Atmospheric Profile and Evaporation

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31:04

Building Bridges: How NGRA Connects Science & Industry

HiRes Vineyard Nutrition Podcast ·

2025/07/16

In this episode, Donnell Brown, President of the National Grape Research Alliance, joins Dr. Patty Skinkis to explore how NGRA bridges science and industry. Learn how collaborative research initiatives like the HiRes Vineyard Nutrition Project are developed, funded, and implemented to drive innovation across the American grape industries. Podcast transcript is available at http://beav.es/5GD. For more information NGRA and supported projects Website: https://graperesearch.org/ Facebook:

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31:52

Tailoring Vineyard Nutrition from Soil to Wine

HiRes Vineyard Nutrition Podcast ·

2025/06/11

Anji Perry of J. Lohr Vineyards shares her practical approach to vineyard nutrition, emphasizing sustainability and precision. She outlines five core factors she uses to guide nutrient decisions: soil quality, water quality, YAN (Yeast Assimilable Nitrogen), leaf analysis, and visual symptoms. Anji discusses the importance of nitrogen and potassium in vine health and wine quality, and how site-specific strategies and minimal fertilization can lead to better outcomes. She also highlights the promise

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38:38

Vineyard Nitrogen and Potassium Impacts on Wine Quality

HiRes Vineyard Nutrition Podcast ·

2025/05/22

Emily Hodson, winemaker at Veritas Vineyard and Winery, highlights the role of nitrogen and potassium in wine quality. She addresses challenges with high potassium in Virginia soils and promotes organic nutrients and precise vineyard management. Her involvement in Winemakers Research Exchange and the HiRes Vineyard Nutrition Project, is leading to practical, science-based solutions for viticulture and winemaking improvements in Virginia and beyond. Podcast transcript is available at

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35:54

Interesting and Unexpected Wine Outcomes from...

HiRes Vineyard Nutrition Podcast ·

2025/04/18

How does vineyard nutrition impact wines? Learn from Dr. Jim Harbertson the expected and unexpected wine outcomes of nutrient trials conducted in Washington vineyards as part of the HiRes Vineyard Nutrition Project. Hear about wine anthocyanins, amino acids, phenolics, and tannins as impacted by nitrogen. Podcast transcript is available at http://beav.es/5GD. We need your feedback! If you have been enjoying the podcast, please complete this brief survey: https://beav.es/GuB Related podcast episodes:

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33:08

Sensor Snapshot from Satellites to Drones

HiRes Vineyard Nutrition Podcast ·

2025/03/06

How close are we to having practical sensor solutions for growers to use in their vineyards? In this episode, Dr. Rob Chancia discusses the benefits, drawbacks, and costs of different technologies explored in the project. You will get a glimpse of what is needed to achieve integrated vineyard maps for vineyard nutrition management and take them to the next step. Podcast transcript is available at http://beav.es/5GD. We need your feedback! If you have been enjoying the podcast, please complete a

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35:56

Grapevine Capacity for Change

HiRes Vineyard Nutrition Podcast ·

2025/01/22

How much fertilizer is needed to change vine nutrient status? In this episode, Dr. Keller shares surprising findings from his team’s work on nitrogen and potassium in field and potted vine studies. They used traditional and alterative tissue sampling with sensor technology to understand nutrient status paired with vine physiological respones. Podcast transcript is available at http://beav.es/5GD. We need your feedback! If you have been enjoying the podcast, please complete this brief survey:

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40:38

Virginia Nitrogen Trials: A Tale of Two Cultivars

HiRes Vineyard Nutrition Podcast ·

2024/06/05

Do grape cultivars have different responses to nutrients? Do we need to sample different tissues based on cultivar? Does the time of day matter for tissue sampling? In this episode, Dana Acimovic of Virginia Tech's Viticulture Team describes the research to address these questions. Podcast transcript and details are available at http://beav.es/5GD.

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29:26

Tracing Nitrogen from Vine to Berry

HiRes Vineyard Nutrition Podcast ·

2024/05/22

Foliar nitrogen application is one way wine grape growers can improve berry and must yeast assimilable nitrogen (YAN). In this episode, Pierre Davadant, graduate research assistant in Dr. Markus Keller’s Lab at Washington State University, describes his research to trace the destination of nitrogen through grapevines, with a focus on foliar nitrogen applications. Listen to find out where nitrogen ends up! Podcast transcript and details are available at http://beav.es/5GD.

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31:20

Does Vineyard Nitrogen Impact Wine Sensory?

HiRes Vineyard Nutrition Podcast ·

2024/05/08

We know nitrogen is important for a healthy fermentation, but does the source of nitrogen matter? Should it be added in the vineyard or the winery? In this episode, Megan Mershon, graduate research assistant at Virginia Tech, describes research they are conducting to compare wine sensory response from nitrogen trials they’ve conducted in the HiRes Vineyard Nutrition Project. Podcast transcript and details are available at http://beav.es/5GD.

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44:42

Adapting Research to Build Precision Viticulture Tools

HiRes Vineyard Nutrition Podcast ·

2024/03/20

Working with crop specialists is important for precision ag tool development. In this episode, Dr. Manoj Karkee talks about his team’s collaboration with others in the HiRes Vineyard Nutrition Project to develop ground-based sensors for vineyard nutrients. He also talks about other projects to make farming more efficient, including shoot thinning and crop yield estimation. Podcast transcript and details are available at http://beav.es/5GD.

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32:57

Precision Ag Requires Sensors and Models with...

HiRes Vineyard Nutrition Podcast ·

2024/03/04

How far have we come in developing sensors for monitoring vineyard nutrition? In this episode, Dr. Alireza Pourreza, Associate Professor of UC Cooperative Extension, talks about his lab's research into nitrogen sensor development and the robust models they feed into that will be useful for farm decision-making. Podcast transcript and details are available at http://beav.es/5GD.

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34:04

Thinking Outside the Box for Nutrient Sampling

HiRes Vineyard Nutrition Podcast ·

2024/01/24

In this episode, we break the status quo and discuss alternative grapevine tissues being investigated for nutrient sampling. Dr. Nataliya Shcherbatyuk, post-doctoral researcher at Washington State University and the HiRes Team’s Project Manager, describes the research she conducted to understand the validity of other tissues in correlating with standard methods and how that project led to interesting findings about nutrient losses due to frosts and wind. Podcast transcript and details are available

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27:49

Using Satellites to Guide Grapevine Tissue Sampling

HiRes Vineyard Nutrition Podcast ·

2024/01/03

Getting a representative tissue sample from the vineyard can be challenging without some prior information or knowledge of the vineyard property. In this episode, Manushi Trivedi, Cornell University PhD student, talks about the work they are doing to pin-point where to sample in as few locations as possible to best represent vineyard blocks in nutrient sampling. Podcast transcript is available at http://beav.es/5GD.

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35 results

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