The following information is from website:- http://en.wikipedia.org/wiki/Sisal#The_sisal_plant
Sisal (Agave sisalana) is an agave that yields a stiff fiber traditionally used in making twine, rope and also dartboards. (The term may refer either to the plant or the fiber, depending on context.) It is sometimes incorrectly referred to as sisal hemp because hemp was for centuries a major source for fiber, so other fibers were sometimes named after it.
The plant's origin is uncertain; while traditionally it was deemed to be a native of Yucatan, there are no records of botanical collections from there. Gentry hypothesized a Chiapas origin, on the strength of traditional local usage. In the 19th century, sisal cultivation spread to Florida, the Caribbean islands and Brazil, as well as to countries in Africa, notably Tanzania and Kenya, and Asia. The first commercial plantings in Brazil were made in the late 1930s and the first sisal fiber exports from there were made in 1948. It was not until the 1960s that Brazilian production really accelerated and the first of many spinning mills was established. Today Brazil is the major world producer of sisal. There are both positive and negative environmental impacts from sisal growing.
Traditionally used for rope and twine, sisal has many uses, including paper, cloth, wall coverings and carpets.
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