Large numbers of mulberry trees are planted for rearing silkworms, especially in Kutais, Erivan, Elisavetpol (Nukha) and Baku (Shemakha); the groves occupy nearly 150,000 acres, and the winding of the silk gives employment to large numbers of the population.
In 1888 a school of sericulture was founded by the public debt administration for the rearing of silkworms according to the Pasteur method.
Fruits and vegetables are plentiful, and there are large herds of buffaloes, goats and sheep. Silkworms are reared.
Widely spread over Dahuria, north China and the adjacent countries; one of the Chinese silkworms is said to feed on the leaves.
The mulberry-tree (Morus alba), whose leaves serve as food for silkworms, is cultivated in every region,, considerable progress having been made in its cultivation and in the rearine of silkworms since 18co.