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为使甘薯育苗达到产苗早、薯苗壮、成本低、方法简便,能适应多种形式的联产责任制,我区苍溪、阆中、广安等县总结出了先用塑料薄膜覆盖催芽,解决萌芽多、出苗早的问题,然后移栽于露地,促使薯苗长壮、长多的两段育苗法。此法弥补了露地育苗和温床育苗的缺点,综合了二者的优点,把甘薯育苗技术向前推进了一大步。苍溪县元坝区1981年推广两段育苗面积1.1万亩,占该区甘薯面积60％。今年将在全省甘薯产区推广。
In order to make sweet potato seedling nursery early, sweet potato seedlings, low cost, simple method, able to adapt to various forms of joint responsibility system, our district Cangxi, Langzhong, Guang’an County summed up the first with plastic film germination, Solve the sprouts and more, early emergence of the problem, and then transplanted in the open field, prompting the potato seedlings grow, grow more two nursery method. This method makes up for the shortcomings of nursery and nursery nursery in open fields and synthesizes the advantages of both and brings the sweet potato seedling raising technology a big step forward. Yuanba District, Cangxi County in 1981 to promote two sections of nursery area 11000 mus, accounting for 60% of sweet potato area. This year will be the promotion of sweet potato in the province.