DB37/T 4503-2022 棉花大田测产方法

ICS65.020.20

CCSB32

37

山东省地方标准

DB37/T4503—2022

棉花大田测产方法

Methodofyielddeterminationoncottoninfield

2022-04-08发布2022-05-08实施

山东省市场监督管理局发布

DB37/T4503—2022

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测产准备...........................................................................2

4.1测产时间.......................................................................2

4.2人员组成.......................................................................2

4.3所需工具.......................................................................2

4.4基本资料掌握...................................................................2

4.5登记表.........................................................................2

5取样步骤和方法.....................................................................2

5.1划分产量等级...................................................................2

5.2样方确定.......................................................................2

5.3样点选定.......................................................................2

6调查测定方法.......................................................................3

6.1行距测定.......................................................................3

6.2样点长度确定...................................................................3

6.3株数和铃数调查.................................................................3

6.4单铃重测定.....................................................................3

6.5衣分...........................................................................3

7产量计算...........................................................................3

7.1收获密度.......................................................................3

7.2总铃数.........................................................................3

7.3样点单产.......................................................................3

7.4样方单产.......................................................................3

7.5同一等级棉花单产...............................................................4

7.6测产区平均单产.................................................................4

7.7填写测产报告...................................................................4

附录A（资料性）棉花大田测产记载表...................................................5

参考文献..............................................................................6