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甜菜种子收获早晚,直接影响种子产量和质量。收获过早。种球不饱满;收获过晚.种球易脱落,影响产量。
Beet seeds harvested sooner or later, a direct impact on seed yield and quality. Harvest too early. Bulbs are not full; harvest too late. The ball is easy to fall, affecting output.