This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1922 edition. Excerpt: ...for many uses. Table A, which was compiled from figures published by W. H. Rickinson & Son of London, summarizes the world's rubber production from 1900 to 1921. The part played by plantation rubber in bringing about the remarkable increase in production from 53,890 gross tons in 1900 to 293,960 tons in 1921 ...
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1922 edition. Excerpt: ...for many uses. Table A, which was compiled from figures published by W. H. Rickinson & Son of London, summarizes the world's rubber production from 1900 to 1921. The part played by plantation rubber in bringing about the remarkable increase in production from 53,890 gross tons in 1900 to 293,960 tons in 1921 is clearly shown by these figures. PLANTATION RUBBER Twenty years ago practically all rubber in commercial use was what is known as "wild" rubber. It was produced from native trees and vines of the tropical forests of South and Central America, East and West Africa and Asia. The development of the remarkably efficient plantations, however, has rendered cultivated rubber trees the dominant factor in the rubber supply. The best estates are in the Federated Malay States and on the east coast of Sumatra. Undertakings in Borneo also are very productive. Java, on account of its periodic and sometimes prolonged droughts, is less well suited to rubber production. Ceylon, which is now cultivated almost to the limit, lacks the soil fertility of these other regions because of the cultivation of other crops there for years before the rubber tree was introduced. South India is still less adapted to rubber growing since it combines the handicaps of unreliable climate and partially exhausted soil. Nevertheless, in the Dutch East Indies, Ceylon and South India crops other than rubber are grown on the estates and by this means the cost of rubber production is reduced to a minimum. Table B shows the location and acreage of the rubber plantations on January 1, 1920, together with the production and the yield per acre in 1920. It is to be noted that the production figures, being from an independent source, are 10 per cent. above the estimate shown in...
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