Fertile volcanic soil allows cultivation of wheat and barley as well as pasturage for sheep, goats, and horses.

High seas, heavy surf and loose volcanic soil made movement off the beaches difficult.

The rich volcanic soil in the region helps maintain the 150 public parks that are scattered across the city.

Numerous volcanoes produce very fertile volcanic soil on many of the islands.

The boundaries of this appellation include 25sqmikm2 1 with convert planted on thin volcanic soil.