DB43/T2542—2023 43 湖南省地方标准 ICS CCS 65.020.40 B 66 发 布 湖南省市场监督管理局2023-0 2发布-17 2023-05实施-17杉木速生丰产林 Fast-growing and high-yielding plantation of Chinese fir DB43/T 2542—2023 I 目 次 前言 ································ ································ ································ ························ Ⅲ 1 范围 ································ ································ ································ ····················· 1 2 规范性引用文件 ································ ································ ································ ······ 1 3 术语和定义 ································ ································ ································ ············ 1 4 适宜区域 ································ ································ ································ ··············· 1 5 指标与生长量 ································ ································ ································ ········· 1 5.1 生长量 ································ ································ ································ ············ 1 5.2 径级与轮伐期 ································ ································ ································ ··· 2 5.3 规模 ································ ································ ································ ··············· 2 6 主要技术措施 ································ ································ ································ ········· 2 6.1 选地 ································ ································ ································ ··············· 2 6.2 种质 ································ ································ ································ ··············· 3 6.3 苗木 ································ ································ ································ ··············· 3 6.4 整地 ································ ································ ································ ··············· 3 6.5 造林密度 ································ ································ ································ ········· 3 6.6 栽植 ································ ································ ································ ··············· 3 6.7 抚育 ································ ································ ································ ··············· 4 6.8 地力维护 ································ ································ ································ ········· 4 6.9 间伐 ································ ································ ································ ··············· 4 6.10 造林模型 ································ ································ ································ ········ 4 7 施工设计 ································ ································ ································ ·············· 4 8 检查验收 ································ ································ ································ ·············· 5 9 档案管理 ································ ································ ································ ·············· 5 附录A（资料性） 杉木速生丰产林造林模型 ································ ································ ···· 6 DB43/T 2542—2023 II DB43/T 2542—2023 III 前 言 本文件按照 GB/T 1.1 —2020《标准化工作导则 第1部分：标准化文件的结构和起草规则》的规 定起草。 请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。 本文件由湖南省林业局提出。 本文件由湖南省林业标准化技术委员会归口。 本文件起草单位：湖南省林业科学院、会同县广坪国有林场、靖州县排牙山国有林场、攸县林业科 学研究所、资兴市天鹅山国有林场。 本文件主要起草人：张勰、徐清乾、许忠坤、 黄帆、梁贵明、吴成田、明伸桦、荣建平、李先政。 DB43/T 2542—2023 IV DB43/T 2542—2023 1 杉木速生丰产林 1 范围 本文件规定了湖南省杉木（ Cunninghamia lanceolata （Lamb.）Hook.）速生丰产林培育的适宜区域、 主要技术措施及生长指标。 本文件适用于国家、集体、个人营造的杉木速生丰产林。 2 规范性引用文件 下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。 其中， 注日期的引用文件， 仅该日期对应的版本适用于本文件；不注日期的引用文件，其最新版本（包括所有的修改单）适用于本 文件。 GB 6000 主要造林树种苗木质量分级 GB/T 15776 造林技术规程 LY/T 2809 杉木大径材培育技术规程 3 术语和定义 下列术语和定义适用于本文件。 3.1 大径材 large -size timber 离基部2.5 m去皮直径（ D2.5）大于等于 21 cm的杉木原条，或带皮胸径（ D1