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解放后我国采用下降式割木采脂法,从树高六尺六寸处割起,直到树底,每树采十年左右,就不便再采,不少地方可采脂的松树资源逐渐减少,影响松香生产。有的社员采取搭架上树采脂的办法,适当延长了采脂期,但耗力费时,很不安全。1972年,靖县官团大队贫农梁志明,在用下降式浅割沟采脂法的同时,在上方老割面上加刀,多产一倍松脂,证明了老割面重新采脂的可能性。为了探求新的采脂技术,充分利用松林资
After the liberation of China’s declining cutting method of cutting wood, cut from the height of six feet six inches at the end of the tree, each tree mining about ten years, it is inconvenient re-mining, in many places can be reduced pectoral pine resources Affect rosin production. Some members adopt the method of taking shelves of trees to lengthen the harvesting period appropriately, but it takes time and is not safe. In 1972, Liang Zhiming, a chief of the Jingguan County Regiment Brigade, added a knife to the old cut surface of the upper section to produce twice as much turpentine while using a descending shallow ditch ditch method to prove the possibility of re-dredging the old cut surface Sex. In order to explore the new liposuction technology, make full use of Songlin capital