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桑籽直播育苗,由于季节、气候的影响,常造成发芽出土率低,出苗不整齐,缺窝断行严重。为了寻求一种多怏好省的培育壮苗的方法,平昌县的蚕桑技术人员,根据棉花方格薄膜育苗的原理,连续三年进行了桑树薄膜育苗移栽试验,取得了显著成绩。1980年从广东调进桑籽2,400斤,采用塑料薄膜温床育苗。3
Mulberry seeds live seedlings, due to the impact of the seasons, the climate, often resulting in low rate of germination, sprouting irregular, missing nest serious broken line. In order to find a way to nurture strong seedling in a good province, the technical staff of sericulture in Pingchang County, according to the principle of cotton checkered film nursery, conducted the experiment of transplanting seedlings of mulberry thin film for three years in succession and achieved remarkable results. In 1980 transferred from Guangdong, Mulberry 2,400 pounds, the use of plastic film hotbed nursery. 3