DB43/T 2100-2021 棉花化肥减施技术规程

ICS67.080.20

CCSB31

43

湖南省地方标准

DB43/T2100—2021

棉花化肥减施技术规程

TechnicalRegulationofReducingFertilizerApplicationofCotton

2021-07-02发布2021-09-02实施

湖南省市场监督管理局发布

DB43/T2100—2021

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化肥减施技术方式···································································································1

5棉花品种选择·········································································································1

5.1机械采收品种选择·····························································································1

5.2人工采收品种选择·····························································································1

6棉田轮作···············································································································2

6.1棉花-绿肥轮作·································································································2

6.2棉花-油菜轮作·································································································2

6.3棉花-荷兰豆轮作······························································································2

7适度增密···············································································································2

7.1种肥同播·········································································································2

7.2播种密度·········································································································2

8水肥管理···············································································································2

8.1秸秆还田·········································································································2

8.2有机肥应用······································································································2

8.3平衡施肥·········································································································2

8.4缓释肥应用······································································································2

8.5叶面肥应用······································································································2

8.5.1施用时期···································································································2

8.5.2施肥配比···················