Grapes must be picked at the exact point of maturation, and its plant must have the appropriate intake of water during development so that the wine ends up with desired properties. Controlling those parameters is complicated and expensive, and few can afford to use pressure chambers that measure water potential.
This is a companion discussion for the article “Robot created to monitor key wine vineyard parameters - https://phys.org/news/2018-09-robot-key-wine-vineyard-parameters.html” submitted on the community's news feed.
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