DB11/T 085-2019 春玉米生产技术规程

ICS65.020.01

B20

DB11

北京市地方标准

DB11/T085—2019

代替DB11/T085-1997

春玉米生产技术规程

Technicalspecificationforspringcornproduction

2019-06-18发布2019-10-01实施

北京市市场监督管理局发布

DB11/T085—2019

目次

前言............................................................................II

1范围..............................................................................1

2规范性引用文件....................................................................1

3生产条件..........................................................................1

3.1气候条件......................................................................1

3.2地块选择......................................................................1

4播前准备..........................................................................2

4.1品种..........................................................................2

4.2种子..........................................................................2

4.3肥料用量......................................................................2

4.4整地..........................................................................2

5播种..............................................................................3

5.1时间..........................................................................3

5.2方法..........................................................................3

5.3镇压..........................................................................3

6田间管理..........................................................................3

6.1定苗..........................................................................3

6.2留苗密度......................................................................3

6.3追肥...