Pessac Leognan, Graves and Sauternes areas, France - July 18th, 2016 :

  • red color corresponds to low NDVI/vigor usually associated with high quality
  • green color corresponds to high NDVI/vigor mostly high production but to the expense of reduced quality
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  • As a good example concerning vigor/quality, you can try to find the renowned château d'Yquem or château Haut-Brion or other 1855 classification château. You will see that most of its grapevines have low vigor (majority of red); this denotes why their production is of high quality year after year.