棉花化肥减施技术规程 Technical Regulation of Reducing Fertilizer Application of Cotton 发 布 湖南省市场监督管理局2021-07发布-02 2021-09实施-0243 DB43/T2100—2021 湖南省地方标准 ICS CCS 67.080.20 B 31 DB43/T 2100—2021 I 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 ································ ································ ································ ··· 3 8.5.3 施用量与次数 ································ ································ ····························· 3 9 化学调控 ································ ································ ································ ··············· 3 9.1 生长调控 ································ ································ ································ ········· 3 9.2 化学封顶 ································ ································ ································ ········· 3 9.3 脱叶催熟 ································ ································ ································ ········· 3 10 生产档案 ································ ································ ································ ·············· 3 10.1 生产档案 ································ ································ ································ ······· 3 10.2 投入品档案 ································ ································ ····························