ICS 65.020.40 CCS B 64 45 广 西 壮 族 自 治 区 地 方 标 准 DB45/T 2722—2023 马尾松脂材两用林改培技术规程 Technical code of practice for the reconstruction of Pinus massoniana plantation with dual purpose of timber and resin 2023 - 08 - 10发布 2023 - 09 - 30实施 广西壮族自治区市场监督管理局 发布 DB45/T 2722 —2023 I 目次 前言 ................................ ................................ ................. II 1 范围 ................................ ................................ ............... 1 2 规范性引用文件 ................................ ................................ ..... 1 3 术语和定义 ................................ ................................ ......... 1 4 总则 ................................ ................................ ............... 2 经营目标 ................................ ................................ ....... 2 4.1 经营原则 ................................ ................................ ....... 2 4.2 适用林分 ................................ ................................ ....... 2 4.3 5 改培前经营 ................................ ................................ ......... 2 林木分类 ................................ ................................ ....... 2 5.1 目标树选择标准 ................................ ................................ . 2 5.2 目标树密度 ................................ ................................ ..... 3 5.3 目标树标记 ................................ ................................ ..... 3 5.4 抚育间伐 ................................ ................................ ....... 3 5.5 目标树施肥 ................................ ................................ ..... 3 5.6 目标树修枝 ................................ ................................ ..... 3 5.7 松脂采割 ................................ ................................ ....... 3 5.8 6 脂材两用林改培及经营 ................................ ............................... 4 采脂木采伐 ................................ ................................ ..... 4 6.1 改培 ................................ ................................ ........... 4 6.2 改培树种目标树经营 ................................ ............................. 5 6.3 马尾松目标树采伐 ................................ ............................... 5 6.4 改培树种目标树采伐 ................................ ............................. 5 6.5 7 档案管理 ................................ ................................ ........... 6 附录A（资料性） 马尾松脂材两用林改培适宜树种推荐表 ................................ ... 7