A map of Asia from 1899 showing the primary agricultural production regions of Asia. This map is keyed to show the Northern Plain - region of forests (I), Central Asia - steppes and deserts (II), Mediterranean region - fruits, cereals, cotton, and indigo (III), Central and northern China - tea and mulberry trees (IV), Chief agricultural region - rice, cereals, cotton, and opium (V), and African region - dates and coffee (VI).