DB42/T 2125-2023 优质稻抗热保优栽培技术规程

ICS65.020.20

CCSB20

DB42

湖北省地方标准

DB42/T2125—2023

优质稻抗热保优栽培技术规程

Technicalspecificationforhigh-qualityricecultivationtoensure

grainqualityunderheatinHubeiProvince

2023-11-29发布2024-01-29实施

湖北省市场监督管理局发布

DB42/T2125—2023

目次

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

引言................................................................................III

1范围...............................................................................4

2规范性引用文件.....................................................................4

3术语和定义.........................................................................4

4品种选择...........................................................................4

4.1品种高温耐性的甄别.............................................................4

4.2品种采用.......................................................................5

5适期播种...........................................................................5

5.1明确水稻品种灌浆期温度类型.....................................................5

5.2确定合理的播种期...............................................................5

6施肥管理...........................................................................5

6.1控制氮肥用量...................................................................5

6.2肥料配比与运筹.................................................................6

6.3施肥促健抗热...................................................................6

7水分管理...........................................................................6

7.1深水灌溉降温...................................................................6

7.2田间断水时间管理...............................................................6

8病害防治...........................................................................6

8.1病害类型.......................................................................6

8.2防治原则.......................................................................6

8.3防治技术.......................................................................6

附录A（资料性）湖北省典型区域及其代表性县、市、区优质稻的适温灌浆期.................7

I

DB42/T2125—2023