刘文裕是广东德封县莫村公社莫村生产管理区的优秀社员。1958年,他在分散的、采脂条件差的204株松树上进行采脂,由于他积极努力的结果,全年仍然采割36,500斤松脂。他的经验有如下几点:1.选择割面除了看枝桠多,叶密,鳞片黑等条件外,并可根据树身倾斜方向,即倾斜那边就在那边开 Liu Wenyu is a member of Mo Village Commune in Defeng County, Guangdong Province. In 1958, he collected fat on 204 scattered pine trees with poor harvesting conditions. As a result of his active efforts, he was still harvesting 36,500 jerusalem pine fat throughout the year. His experience has the following points: 1. Select cutting surface in addition to see more than branches, leaves dense, scales black and other conditions, and according to the tree body tilt direction, that is, where the tilt on the open side