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西双版纳垦区五十年代种植的未经选择的实生树和六十年代最早种植的一批高产芽接树已经投产十余年了,相继进入了中龄期和盛产期。为了进一步了解本区割胶林地的现状,提出更适宜的栽培措施和割胶方法,使投产胶园获得更好的经济效益,总局在西双版纳垦区组织了一次割胶林地现状调查。这次调查从1982年4月25日到6月19日。调查了景洪、东风、橄榄坝和勐腊等四个农场,共计2569.3亩,69789株。所调查的林地主要是1966年以前定植,已割胶5—12年。调查的内容包括割胶林地保存株数、死皮病和产量情况等,现将结果报告如下。一、割胶林地株数保存情况53,075株,平均每亩现存20.7株,占原定
Xishuangbanna reclamation area in the fifties planted unsorted real-life trees and the earliest planting of a number of 60’s budding tree has been put into operation for more than ten years, have entered the middle age and rich period. In order to get a better understanding of the current situation of this area, the author put forward more appropriate cultivation measures and tapping methods to make the rubber plantations put into operation and obtain better economic benefits. The State Administration of Quality Supervision, Inspection and Quarantine has organized a survey on the status of the cutural forest in Xishuangbanna Reclamation Area. The survey was conducted from April 25 to June 19, 1982. Investigated Jinghong, Dongfeng, olive Dam and Mengla four farms, a total of 2569.3 acres, 69789 strains. The woodlands surveyed were mainly planted before 1966 and had been tapping for 5-12 years. The contents of the investigation include the number of trees, the dead skin disease and the yield of the cut rubber lands. The results are reported as follows. First, 53,075 strains of cut rubber plantations were preserved, with an average of 20.7 strains per acre, accounting for the original plan