Since time immemorial, the volcanic soil has produced a profusion of tomatoes, olives, walnuts, grapes, oranges, lemons, and figs.
Tomatoes, olives, walnuts, grapes, oranges, lemons, and figs has been produced by volcanic soil for many years.
Tomatoes, olives, walnuts, grapes, oranges, lemons, and figs can not grow in the volcanic soil.