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我国国营农场的天然橡胶生产,是建国后逐步发展起来的。橡胶树主要分布在广东、云南、广西和福建的湿亚热带地区,绝大部分是分布在广东垦区的各农垦局。广东垦区各农场的现有胶树中,已经开割的面积约占一半,其中实生树又近一半。这些实生树,大多已开割20来年,已经老化,急需更新。此外,现有的胶树中,不少遭受台风破坏,断干断枝情况比较严重,经过几年的精心抚育,虽已先后恢复割胶,但是产量很低,也需要及早更新。进行胶树更新,需要的资金比较多。初步匡算,更新每亩胶树,一般约需开支700元,如加上必要的胶厂和房屋的配套投资,开支数还
China’s state-run farms natural rubber production, after the founding of the country and gradually developed. Rubber trees are mainly distributed in the wet and subtropical regions of Guangdong, Yunnan, Guangxi and Fujian, most of them are land reclamation bureau distributed in Guangdong reclamation area. Among the existing gum trees at various farms in Guangdong’s reclamation area, about half have been cut, of which nearly half are live trees. Most of the live trees have been cut for 20 years and have become old and in urgent need of renewal. In addition, many of the existing gum trees suffer from typhoon damage and severed branches severely. After several years of careful nurturing, they have resumed tapping one after another. However, the yield is very low and needs to be updated as early as possible. Glue tree renewal, the need for more funds. Preliminary calculations, the update per acre gum tree, usually about 700 yuan expenditure, such as the necessary investment in the plastic plant and housing support, the number of expenses also