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早熟花生品种夏播留种是南方花生产区的一项成功的保苗增产措施。在我们胶东地区采用夏播留种的效果如何?为了弄清这个问题,我们于七五年采用早熟品种白沙1016进行了对比试验,结果表明,在北方地区早熟花生品种采用夏播(包括小沟麦套种的早熟花生)留种同样比春播留种表现好,表现在发芽势强,出苗早,出苗率高,产量高等方面。 据试验,夏播留种的花生比春播留种的出苗早2—3天,出苗率高2％,苗子长势也强。
Early sowing of peanut varieties for summer sowing is a successful flower-growing measure in southern flower-producing areas. In order to clarify this issue, we used the early maturing variety Baisha 1016 in July and July to conduct a comparative experiment. The results showed that in the northern region, early maturing peanut varieties were planted with summer sowing (including small ditches Wheat intercropping of early peanut) to stay the same species than the spring seeding performance, manifested in the germination potential, early emergence, emergence rate, high yield. According to the test, the summer planting sowing peanuts stay spring 2-3 days earlier than the emergence of seedlings, emergence rate of 2%, seedling growth is also strong.