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      Agriculture

      The layer of lapilli (volcanic ash, also referred to as 'picón') created by volcanic eruptions stores the water for large areas of agricultural cultivation. In addition the troughs in the volcanic ash serve to protect seedlings from the influence of sun and wind. Throughout the centuries these characteristic features of the landscape have led to excellent harvests and have even provided the right conditions for wine production.

      La Geria is the island's main wine production area and is known for its excellent vintages with registered designation of origin.