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1 选地隔离,整地施肥 1.1 选地制种田要选择土质肥沃,排灌方便,旱涝保收的地块作为制种基地。 1.2 隔离按照制种要求设计隔
1 electoral isolation, land preparation and fertilization 1.1 Selected farming system to choose a fertile soil, irrigation and drainage convenience, Hanlaobaoshou land as a seed base. 1.2 isolation in accordance with the requirements of seed production design interval