NDVI maps have certain weaknesses
Failing to correct for changes in lighting conditions, NDVI images taken 2 hours apart falsely indicate changes in vine health when none have occurred. This can mislead vineyard managers, possibly causing them to take improper actions.
cevi's correct these weaknesses
CEVI's use additional wavelengths, scientifically proven algorithms and multiple calibrations to correct NDVI inaccuracies, producing virtually identical maps, accurately reflecting vine vigor. See our partner VineView's video on this subject, The New Vigor Map:
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