DB42/T 1632-2021 棉花免耕直播生产技术规程

ICS65.020.20

CCSB05

DB42

湖北省地方标准

DB42/T1632—2021

棉花免耕直播生产技术规程

Codeofpracticeforcottonproductionwithdirectsowinginno-till

field

2021-01-08发布2021-03-08实施

湖北省质量技术监督局发布

DB42/T1632—2021

目次

前言.................................................................................III

引言.................................................................................IV

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

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

3术语和定义.........................................................................1

4播前准备...........................................................................1

4.1品种选择.......................................................................1

4.2种子质量.......................................................................1

4.3田块选择.......................................................................1

4.4开挖“三沟”...................................................................2

5播种...............................................................................2

5.1播种时间.......................................................................2

5.2种植密度.......................................................................2

6田间管理...........................................................................2

6.1苗期管理.......................................................................2

6.2株型调节.......................................................................2

6.3肥水管理.......................................................................2

6.4