Agriculture

Rubber-origin,needs and uses

Rubber-origin

Rubber tree, Hevea brasiliensis Muell is indigenous to the Amazon Basin. During the nineteenth century, Brazil heve a latex, which through the exploitation of trees in natural forest.Rubber seedlings were collected from all the smuggled out of Brazil was the main supplier in Malaysia and other South East developed in the present rubber plantations planting shares to become parents Asian countries at the turn of the twentieth century. Since rubber as a plantation crop in the number of tropical countries have been identified. The most important rubber producers in Southeast Asia today. Brazil today in international markets plays an insignificant role.

Tapping rubber trees in the fifth to seventh year after planting begins and continues for 25 to 30 years. A special knife to incise the bark so harmful as 30 years cambium.After decline in latex production is used for wounds without resin canals and trees makes it uneconomic to exploit. Then removed and replaced with new tree seedlings are doing. In the past, felled rubber trees were burned on the spot or locomotive engines, brick burning, or for treatment of latex used as fuel.

Rubber-needs

A 30 year-old rubber tree cultivation average of about 30 meters long with a branch stub is free from -3 m at breast height can reach about 30 cm in diameter. Stem incident is. Young rubber trees have a smooth brown-green bark. Portion of stem consistently used, age, development with a latex rubber plantations can be involved cortexAbout 80 percent of 9.7 million ha in 1999 founded the world for latex production, are in South East Asia, a total of 72 percent (or 5.2 million ha), Indonesia, Malaysia and Thailand are. Over 35 million overall sector with a hactres, Indonesia is now the world's largest producer of natural rubber.

Traditionally, such industrial woodfuel Rubberwood brick water, treatment of tobacco, or locomotive engines as to provoke one for cheaper countries where rubber plantations are abundant, is mostly used as the source. Because of lack of stability, rubberwood wood rarely used except in rare countries was as wooden utility. After implementing a number of problems particularly for research on wood spice and conservation related to small size on a wooden cross was supported, South East Asia as one of the most successful export target developed rubberwood.

Rubber-major uses

Some advantages over traditional rhythm Rubberwood natural forest. For a plantation - product, is available at a relatively low cost. Thus, despite its relatively low recovery rate, rubberwood is the production cost per cubic meter of meranti production cost of only 30 percent.

Even still charcoal production and Rubberwood woodfuel.The is used for demand and popularity in the wood and traditional wood products such as Japan and the United States as a downstream processing industry in importing countries, the development of Malaysia motivated. The increase in neighboring countries be encouraged to develop similar rubberwood processing industries, particularly in Indonesia and improve Thailand.With hevea clones, which can yield plantations and an increase in research both high quality latex garden and wood, possibilities for a continuous supply of rubberwood are looking good for.

However, it is seen that if the increase in South East Asia regional and national level garden area built on the industrial processing capacity may be sufficient to meet, and the increasing market demand for rubberwood products.

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