This discussion is a follow up with our last blog on the 2017 maturation What is the situation end of september? A general disorder in sugar …
Sluggish ripening dynamics: who is the culprit in 2017 in Northern California?
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2017: Vintage Effect on Harvest Decision for Napa Cabernet
Harvest decision 2017: A ripe Cabernet Sauvignon in Napa “should be worth the wait!” We discuss a preliminary analysis of the 2017 vintage effect on …
What is the link between root temperature, vine reserve and berry ripening?
If you read this blog you are probably interested in understanding the complexity of vine response to contrasted environmental conditions. Everyday scientific results shed new …
Mapping vine reserves variations to predict vineyard productivity
Leaving more growing nodes per vine at pruning (to increase vine productivity) and applying deficit irrigation strategies (to increase fruit and wine quality) are are …
Reveal the potential of each terroir with aerial pictures
How can a winegrower harness vineyard spatial variability to make better wines? Numerous studies carried out since 2000, on irrigated and non-irrigated vineyards have …
How to design a vineyard sampling strategy accounting for spatial variability?
One of the main challenges for a winegrower before harvest is : “where is it best to sample?” and “how many locations do I need to …
Reducing costs with NDVI: it is possible!
While NDVI has been used for only a few years in viticulture, it has been more than 20 years since cereal farmers adopted NDVI index …
NDVI in viticulture (2): why is it challenging to use?
The use of NDVI in agriculture is no longer a new idea. As a result of numerous publications demonstrating the capacity of this measure to …
NDVI in viticulture (1) : a measure of reference in agriculture
NDVI is an English acronym meaning Normalized Difference Vegetation Index, which could be translated as a Normalized Vegetation Index. This index reflects the quantity of …
Crop Coefficient (5) : How heat affects maximal vine water needs and water deficit?
Waves of heat = Waves of greater water needs As heat wave comes and goes, vine water use goes up and down as we discussed …