ICS65.020.20 CCSB05 4501 南宁市地方标准 DB4501/T0022—2024 人行天桥、立交桥三角梅种植养护技术规范 TechnicalspecificationforplantingandmaintenanceofBougainvillea onthepedestrianbridgesandoverpasses 2024-01-10发布 2024-02-10实施 南宁市市场监督管理局  发布 DB4501/T0022—2024 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设施要求............................................................................2 安全............................................................................2 设计............................................................................2 5栽植要求............................................................................3 栽植位置........................................................................3 栽植基质........................................................................3 苗木栽植........................................................................3 6养护管理............................................................................4 水分管理........................................................................4 施肥管理........................................................................4 修剪............................................................................4 复壮............................................................................5 补植............................................................................5 更换............................................................................5 除草保洁........................................................................5 有害生物防治....................................................................5 7花期调控............................................................................5 原则............................................................................5 控花措施........................................................................5 8设施维护............................................................................6 9作业安全............................................................................6 10应急抗灾...........................................................................7 预警及处置.....................................................................7 防寒及处理.....................................................................7 11档案资料...........................................................................7 内容...........................................................................7 管理...........................................................................7 附录A（资料性）适宜人行天桥、立交桥绿化的三角梅品种..................................8 附录B（资料性）三角梅常见有害生物及其防治............................................9 参考文献..............................................................................11