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1 选地隔离 1.1 选地要选择土质肥沃,地势平坦集中连片,便于管理易于排灌,旱涝保收的水浇畦田作为制种基地。 1.2 隔离制种田四周300m以内严禁种植其它玉米。 2 播种 2.1 播前种子处理播种前将精选的亲本种子进行包衣处理,并对
1 electoral isolation 1.1 choose to choose the fertile soil, flat and concentrated contiguous, easy to manage easy irrigation and drainage, drought and water conservation of water puddles as seed production base. 1.2 Isolated farming around 300m forbidden to grow other corn. 2 sowing 2.1 pre-sowing seed before sowing the selected parent seed coating, and