The juice is extracted from canes by squeezing them between rollers.
Sugar-canes suffer from the sugar cane borer (Diatioca sacchari) in the West Indies; tobacco from the larvae of hawk moths (Sphingidae) in America; corn and grass from various Lepidopterous pests all over the world.
The sugar cane, like tea, was first introduced in 1850, the first canes being brought from Mauritius.
Besides rice, the products of the countryinclude tea, tobacco, cotton, cinnamon, precious woods and rubber; coffee, pepper, sugar-canes and jute are cultivated to a minor extent.
Owing to this property, tubes or canes can be produced with a square, oblong, oval or triangular section.