DB5103 四川省（自贡市）地方标准 DB5103/T42—2023 油茶低效林改造技术规程 Technicalregulationsonreconstructionoflow-yieldand low-functionforestofYoucha 2023-12-26发布 2024-06-01实施 自贡市市场监督管理局 发布ICS65.020.20 CCSB60 DB5103/T42—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油茶低效林类型划分与评判标准................................................................................................................2 4.1类型划分.................................................................................................................................................2 4.2评判标准.................................................................................................................................................2 5改造方法........................................................................................................................................................3 5.1改造目标.................................................................................................................................................3 5.2改造调查.................................................................................................................................................3 5.3树木标记.................................................................................................................................................3 5.4改造方式.................................................................................................................................................3 6标病虫害防治................................................................................................................................................5 7物种保护........................................................................................................................................................5 附录A（资料性）油茶低效林调查情况记录..........................................................................................1 附录B（资料性）油茶主要病害及防控措施..........................................................................................1