Which sub variety of albariza soil has a lower limestone content?

The correct answer is Tosca cerrada, which is a sub-variety of albariza soil characterized by having a lower limestone content compared to other types. Albariza soils are integral to the production of Sherry wines, providing the unique mineral qualities that enhance the characteristics of the grapes grown in them.

Tosca cerrada is particularly known for its ability to retain moisture and provide excellent drainage, which is essential in an area like Jerez, where the climate can be dry. The lower limestone content impacts the soil's water retention capabilities and nutrient profile, contributing to specific aromatic and flavor profiles in the grapes grown within this type of soil.

In contrast, the other sub-varieties, such as Tejon, Barajuelas, and Lentejuelas, typically have higher limestone content, which affects their moisture retention and nutrient availability differently, making them suitable for varying styles of grape cultivation. Understanding these differences is crucial for winemaking and vineyard management in Sherry production.