ICS65.020.20CCSB61DB11北京市地方标准DB11/T1942—2021银杏养护技术规程TechnicalregulationsofmaintenanceforGinkgobiloba2021-12-29发布2022-04-01实施北京市市场监督管理局发布DB11/T1942—2021I目次前言...............................................................................II1范围...............................................................................12规范性引用文件.....................................................................13术语和定义.........................................................................14营养管理...........................................................................15水分管理...........................................................................26土壤管理...........................................................................37整形修剪...........................................................................38种实采收...........................................................................49密度管理...........................................................................510树体管理..........................................................................511复壮..............................................................................512常见病虫害防控....................................................................513档案管理..........................................................................5附录A（资料性）复壮沟和通气管的设置方法..........................................7附录B（资料性）银杏园林常见病害及防控方法........................................8附录C（资料性）银杏园林常见虫害及防控方法........................................9附录D（资料性）银杏日常养护作业台账.............................................11参考文献..........................................................................12DB11/T1942—2021II前言本文件按照GB/T1.1—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。本文件由北京市园林绿化局提出并归口。本文件由北京市园林绿化局组织实施。本文件起草单位：北京林业大...
