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1.放蜂授粉据试验,向日葵有95%以上的小花要靠蜜蜂及其他昆虫授粉结实.所以,在大面积种植向日葵的地方,要大力发展养蜂业,既可以提高向日葵结实率,增加产量,又可获得养蜂收入.放蜂时,要使蜂箱在地里均匀分布,大致每5亩地有1箱蜂较为适宜.如果养蜂量较小,则应及时迁移蜂箱,使蜜蜂活动范围均匀,以提高授粉效果.如果当地
1. Put the pollination According to the test, more than 95% of the sunflower flowers to be pollinated by bees and other insects strong.So, in a large area where sunflower cultivation, to develop apiculture, both can improve sunflower solid rate and increase production , But also get beekeeping income.When beekeeping, make the beehives evenly distributed in the ground, roughly 1 mu box per 5 acres of land is more appropriate.If the amount of beekeeping is small, you should promptly migrate beehives, the bee range of activities Evenly to improve pollination if locally