DB62/T 4308-2021 白榆育苗技术规程

ICS65.020

CCSB61

62

甘肃省地方标准

DB62/T4308—2021

白榆育苗技术规程

TechnicalspecificationforpropagationofUlmuspumilaL

2021-06-21发布2021-07-21实施

发布

DB62/T4308—2021

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圃地准备...........................................................................1

圃地选择.......................................................................1

整地与消毒.....................................................................1

5播种...............................................................................1

种子质量要求...................................................................1

播种时间.......................................................................1

播种量.........................................................................2

播种方式.......................................................................2

6播后管理...........................................................................2

灌溉...........................................................................2

除草间苗.......................................................................2

追肥...........................................................................2

7一年生移植苗培育...................................................................2

圃地准备.......................................................................2

移植..........................................................................2

灌溉...........................................................................2

施肥..........................................................................2

抹芽和修枝.....................................................................2

松土除草......................................................................3

8有害生物防治.......................................................................3

9苗木出圃...........................................................................3

苗木调查.......................................................................3

起苗...........................................................................3

苗木分级................................