Opium is mainly grown in Anatolia.
In the north the staple products for export are salt, grain, wool and cotton, in the south opium and cotton; while the imports consist of sugar, hardware and piece goods.
The government monopolies of opium and salt were then for the first time placed upon a remunerative basis.
Imports include woven goods, metals, ironware, machinery, tea, wines and spirits, mineral oils, opium, paper, and arms and powder.
This plain produces large quantities of indigo and opium, and is physically remarkable for the number of isolated conical hills which dot its surface.