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针对传统的油菜育苗移栽生产耗费人工多,生产效益低的实际,比较系统地研究了东台沿海地区不同播种期下的产量水平,并通过人工直播和大规模机械化直播验证了适宜播种期的可靠性,明确东台沿海地区直播油菜最佳播种期在9月25日至10月5日。
In view of the fact that the traditional rapeseed seedling transplanting production is labor-intensive and low in production efficiency, the yield level under different sowing dates in coastal area of Dongtai was systematically studied. The sowing date was verified by manual live broadcasting and large-scale mechanized direct seeding. The best sowing date of direct seeding rapeseed along the coast of Dongtai is from September 25 to October 5.