ICS27.010 CCSP53 4401 广 州 市 地 方 标 准 DB4401/T167—2022 行道树种植养护技术规范 Technical specifications forstreet tree planting andmaintenance 2022-08-04发布 2022-09-01实施 广州市市场监督管理局 发布 DB4401/T167—2022 I目次 前言.......................................................................................................................................................................III 1范围...................................................................................................................................................................4 2规范性引用文件...............................................................................................................................................4 3术语和定义.......................................................................................................................................................4 4行道树种植.......................................................................................................................................................6 4.1种植前准备................................................................................................................................................6 4.2苗木材料....................................................................................................................................................6 4.3种植土........................................................................................................................................................7 4.4种植穴........................................................................................................................................................7 4.5苗木种植....................................................................................................................................................8 4.6苗木支撑....................................................................................................................................................8 4.7树穴铺装....................................................................................................................................................8 4.8安全文明种植............................................................................................................................................9 4.9种植验收....................................................................................................................................................9 5行道树养护.......................................................................................................................................................9 5.1巡查..........................................................................................................................................................10 5.2浇水..........................................................................................................................................................10 5.3应急排水..................................................................................................................................................10 5.4施肥..........................................................................................................................................................10 5.5修剪..........................................................................................................................................................11 5.6支撑维护..................................................................................................................................................11 5.7补植和更新..............................................................................................................................................11 5.8树穴维护..................................................................................................................................................12 5.9病虫害防治..............................................................................................................................................12 5.10树洞修