The Theiss, once better supplied with fish than any other river in Europe, has for many years fallen off in its productiveness.
Its climate is less hot and arid, its natural productiveness much greater, and its population more settled and on the whole more advanced.
Inspection of a field of cotton shows that different plants vary as regards productiveness, length, and character of the lint, period of ripening, power of resistance to various pests and of withstanding drought.
The fibre has increased in length from about z4 to 22 in., and the plants have at the same time been increased in productiveness.
The Ottoman Empire is renowned for its productiveness, but enterprise and skill in utilizing its capabilities are still greatly lacking.
