ICS 65.020.01 B 20 DB11 北京市 地方标 准 DB 11/T 085—2019 代替 DB11/T 085-1997 春玉米生产技术规程 Technical specification for spring corn production 北京市市场监督管理局 发布 目 次 前 言.................................................................................ii i范围....................................................................................1 2规范性引用文件.........................................................................1 3生产条件...............................................................................1 3.1气候条件...........................................................................1 3.2 地块选择...........................................................................1 4 播前准备...............................................................................2 4.1 品种...............................................................................2 4.2 种子...............................................................................2 4.3肥料用量...........................................................................2 4.4 整地..............................................................................2 5播种....................................................................................3 5.1 时间...............................................................................3 5.2方法...............................................................................3 5.3 镇压...............................................................................3 6 田间管理...............................................................................3 6.1 定苗...............................................................................3 6.2留苗密度...........................................................................3 6.3 追肥...............................................................................3 6.4 浇水...............................................................................3 6.5病虫草鼠害防治.......................。。。。。。以下内容略