RICH REWARDS FOR RUBBER?
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The World Agroforestry Centre has classified rubber-based systems in Indonesia according to their intensity of management, as illustrated by the photographs on the opposite page. Intensively-managed monoculture rubber plantations contain less than 1% non-rubber trees, none of which have been planted deliberately. Simple mixed rubber agroforests contain up to one-third non-rubber trees, which have been deliberately planted or retained, between five and 20 non-rubber species greater than 2 m in height and 5–20 non-rubber trees as tall as, or taller than, the rubber trees. In complex rubber agroforests at least a third of the trees belong to species other than...
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