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ICS 65.020.20 B 20 德 DB5331 宏 州 地 方 标 准 DB5331 / T21—2019 代替 DB5331 / T21—2017 山区夏玉米栽培技术规程 2019 - 12 - 30 发布 德宏州市场监督管理局 2020 - 01 - 20 实施 发 布 DB5331/T21 —2019 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 3.1..................................................................................................................................................................... 1 山区夏玉米....................................................................................................................................................... 1 3.2..................................................................................................................................................................... 1 大喇叭口期....................................................................................................................................................... 1 4 播前准备......................................................................................................................................................... 1 4.1 4.2 4.3 4.4 5 品种选择................................................................................................................................................. 1 种子处理................................................................................................................................................. 1 整地......................................................................................................................................................... 1 施足底肥................................................................................................................................................. 2 播种技术......................................................................................................................................................... 2 5.1 播种期..................................................................................................................................................... 2 5.2 播种量..................................................................................................................................................... 2 5.3 种植密度................................................................................................................................................. 2 5.4 种植规格................................................................................................................................................. 2 5.5 播种方法................................................................................................................................................. 2 5.5.1 大田直播......................................................................................................................................... 2 5.5.2 地膜覆盖播种................................................................................................................................. 2 6 田间管理......................................................................................................................................................... 2 6.1 查苗、补缺............................................................................................................................................. 2 6.2 间苗定苗................................................................................................................................................. 2 6.3 中耕追肥................................................................................................................................................. 3 6.4 病虫鼠害综合防治................................................................................................................................. 3 6.4.1 主要病虫害..................................................................................................................................... 3 6.4.2 防治原则..........................................
DB5331-T 21-2019 山区夏玉米栽培技术规程 德宏傣族景颇族自治州
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