I CS 65. 020. 01 B 60 DB21 辽 宁省地方标准 DB21/ T 2454—2015 红豆杉播种育苗技术规程 Technical Regulations for Cultivation of Taxus cuspidata 2015- 04- 10发布 2015- 06- 10实施 辽宁省质量技术监督局 发布   DB21/ T2454—2015 目 次 前言. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Ⅲ 1范围.............................................................................................................................................................. 1 2规范性引用文件.......................................................................................................................................... 1 3定义与术语.................................................................................................................................................. 1 3.1苗圃地land for tree nursery..............................................................................................................1 3.2层积催芽stratification.......................................................................................................................1 3.3后熟after ripening.............................................................................................................................1 3.4浸种seed soaking..............................................................................................................................1 3.5间苗thinning .....................................................................................................................................2 3.6出苗期seeding stage .........................................................................................................................2 3.7幼苗期the seeding stage ...................................................................................................................2 3.8移栽transplant...................................................................................................................................2 4苗圃的建立.................................................................................................................................................. 2 4.1 圃地选择...........................................................................................................................................2 4.2 圃地区划...........................................................................................................................................2 4.3 作业规划...........................................................................................................................................3 5圃地整理...................................................................................................................................................... 3 5.1 整地..........