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1 选地隔离制种山要选择地势平坦、土质肥沃,排灌方便,旱涝保收的地块作为繁种基地进行制种。按照制种隔离要求,采取空间隔离要求300m以内不许种植其它品种的玉米。
An optional isolation of mountain species to be flat topography, fertile soil, irrigation and drainage convenience, drought and flood protection of the plots as a breeding base for seed. In accordance with the seed isolation requirements, to take space isolation requirements within 300m allowed to grow other varieties of corn.