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Grape Growers Use Tule Vision App to Take Pictures of Their Vines and Measure Vine Stress

Davis, CA – February 8, 2021 Nearly a year after the soft launch of Tule Vision, the latest offering from Tule is now even better positioned to help grape growers make informed irrigation decisions for their vineyards.

Leaf Water Potential readings are reported on the Tule Vision web dashboard in real-time

Growers can use Tule Vision to take midday leaf water potential readings by simply taking short iPhone videos of their vines. Photos from each video are then fed into a model that reports the readings in real-time to the grower on their phone. Water stress readings and photos are also displayed on Tule’s web applications. 

“Tule Vision gives us the ability to take quick, accurate water stress measurements that don’t require specialized training or cumbersome equipment. This helps us easily create our weekly irrigation schedules,” says Chris Storm, Director of Viticulture at Vino Farms. “My advice to anyone considering Tule Vision is to give it a try, expect to be humbled, learn from technology, and let it help you become a better irrigator.”

The Tule Vision block view lets growers see where the Leaf Water Potential reading took place, along with recent photos of their vines

In 2014, Tule launched Tule Sensors, a UC Davis research-based product that uses field sensors to measure Actual Evapotranspiration (ETa) and water stress in the vineyard. The sensors also connect to the vineyard’s irrigation system to measure how much water is being applied. The combination of data is used to make irrigation recommendations that maintain exact vine stress levels that the grower prefers. Using thousands of water stress measurements from Tule sensors and photos taken by field technicians, Tule was able to develop the artificial intelligence model that powers Tule Vision. 

For growers who rely on pressure chamber readings, Tule Vision makes it easier to take more readings in less time. For vineyard managers who are less familiar with pressure chambers, Tule Vision provides a simple, quick, and cost-effective way to take midday leaf water potential readings that show vine water stress. With unlimited users, anyone in the grower’s organization can take readings and access this information to get a more complete picture of vineyard health.

Tule Vision users simply point their iPhones at the canopy and record a short video. Tule Vision then reports the Leaf Water Potential in real time.

“Since the initial launch of Tule Vision, we’ve received tremendous feedback from users that has allowed us to make improvements to the model and provide an even better experience for growers,” says Tom Shapland, PhD, founder and CEO of Tule.

One change that growers will notice this season is a feature that coaches users to capture the type of videos that perform best in the Tule Vision artificial intelligence model. By informing users in real-time how to position themselves near the canopy, this enhanced feature yields higher accuracy for Tule Vision leaf water potential measurements. Tule is also currently developing a beta feature that will enable users to attach an iPhone to an ATV and passively collect readings as they drive down vineyard rows.

“Helping growers achieve their production goals is at the heart of what we do,” says Shapland. “We rely heavily on our customer relationships and are always looking for new ways to improve what we provide them.”

About Tule Technologies

Tule helps growers make irrigation decisions. Founded in 2014, Tule (pronounced “too-lee”) combines the use of cutting edge artificial intelligence with in-the-field agronomic know-how to provide growers with the information to make the best irrigation decisions to meet production goals. The UC Davis research-based Tule sensors provide growers with crop water use measurements, water stress measurements, applied irrigation measurements, and irrigation recommendations. With their new A.I. product, Tule Vision, growers take videos of their vines and get the midday leaf water potential. 

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www.tuletechnologies.com 

About Tom Shapland, PhD

Tom is the CEO and founder of Tule Technologies. Tom has a Bachelor of Science degree in Viticulture and Enology and a Doctorate in Horticulture and Agronomy, both from UC Davis.

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