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Long planting
rubber trees are grown to an area of the plant is less than 20 meters. Spacing the flat areas should be 2.5 x 8 mm. (to the tire 80 trees per acre) or 3 x 7 m. (. It has trees 76 trees per acre) for the area planted, new tires should be 2.5 x 7 m. (to the tire 91 trees per acre) or 3 x 7 m. (to the tire 76 trees per hectare. ) If the area can not be planted phase 3 x 8 m. (to 67 per ha of rubber trees) the main line. If the rubber plantations in the highlands The main line should be in the east - west. And to block the flow of water to reduce soil erosion. And soil erosion From the boundary line should essentially rubber-old at least 1.5 m. And excavated along the zone to protect. Root and the struggle for nutrients.
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