The soil initially provides the vine with support. However, it also provides nutrients and water. The supply of nutrients as well as the water and air balance is important. In addition, there is the rootable part of the soil above the solid rock. These properties of the soil depend on four essential factors: The rock, the relief, the climate and time.
The rock supplies the vine with nutrients. The relief is responsible for the thickness of the soil, i.e. it controls the processes of deposition and erosion. Together with the rock, the climate and the duration of the respective developments influence the weathering intensity and form. These influence the nutrient content of the soil and the amount of air and water.
The soil is the factor that remains unchanged over long periods of time. It is the stable basis of the terroir.
In the Bernkastel-Kues holiday region, there are, in addition to the dark clay slate, loess and terrace sediments, rhyolite and conglomerates.