THE ADAPTATION OF VARIETIES TO SOIL AND CLIMATE
Taken in its broadest sense, the notion of “soils for wine-growing”, often referred to as terroir, brings together several different factors: biological (choice of variety), geographical, climatic, geological and pedological (types of soil). Added to these are the human, historical and commercial aspects: for example, the existence of the port at Bordeaux and its commerce with Scandinavian countries encouraged the wine-growers of the 18th century to improve the quality of their wines.
In the northern hemisphere the vine is cultivated between the latitudes of 35° and 50°; it therefore has to adapt to very different climates. However, the most northerly vineyards usually cultivate only white varieties,