DB42/T 2004-2023 棉花-油菜双直播机械化生产技术规程

ICS65.020.20

CCSB32

DB42

湖北省地方标准

DB42/T2004—2023

棉花-油菜双直播机械化生产技术规程

Codeofpracticeformechanizationproductionofrotaionofcotton

andrapebothdirectseeding

2023-04-12发布2023-06-12实施

湖北省市场监督管理局发布

DB42/T2004—2023

目次

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

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

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

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

4基本要求...........................................................................1

茬口安排.......................................................................1

机械...........................................................................1

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

5棉花生产...........................................................................2

播种...........................................................................2

5.1.1品种选择.....................................................................2

5.1.2整地.......................................................................2

5.1.3机械播种...................................................................2

5.1.4行距及播种量...............................................................2

5.1.5封闭除草...................................................................2

5.1.6补种.......................................................................2

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

5.2.1施肥.......................................................................2

5.2.2杂草管理...................................................................3

5.2.3化学调控与封顶.............................................................3

5.2.4水分管理...................................................................3

收获...........................................................................3

5.3.1脱叶催熟...................................................................3

5.3.2机械收获...................................................................3

5.3.3秸秆还田...................................................................3

6油菜生产...........................................................................3

播种...........................................................................3

6.1.1品种选择...................................................................3

6.1.2种子处理...................................................................3

6.1.3免耕套播...................................................................4

6.1.4联合播种...................................................................4

6.1.5合理密植...................................................................4

田间管理.......................................................................4

6.2.1施肥.......................................................................4

6.2.2水分管理...................................................................4

6.2.3化学调控...................................................................4