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老龄橡胶芽接树割胶制度试验总结报告（１９９１—１９９３）（云南省农垦总局割制改革课题组）云南植胶区６０、７０年代种植的无性系芽接树已经或即将进入老龄衰产期，橡胶产量呈现出下降趋势，为了充分挖掘其产胶潜力，保持较高的产量水平，迫切需要寻求与之相适宜的割...
(1991-1993) (Yunnan Provincial Bureau of Reclamation Reform Group) plastic planting area in Yunnan 60, the 70’s clones planted bud tree has entered or is about to enter the aging population, rubber production Showing a downward trend, in order to fully tap the potential of its production of plastic, to maintain a higher level of production, there is an urgent need to seek appropriate cutting ...