四川省平昌县的蚕桑科技人员,自1980年以来,连续三年试验和推广了桑树薄膜育苗移栽技术,取得成效。他们于1980年3月底至4月初播种,5月上旬移苗排栽,2400斤桑籽育苗排栽了10170亩,到10月初苗木围粗达到1.2寸,苗高1公尺以上,秋栽壮苗 Pingmao County, Sichuan Province sericulture science and technology personnel, since 1980, for three consecutive years to test and promote the Mulberry film seedling transplanting technology and achieved success. They were sowed in late March to early April 1980, transplanting seedlings in early May, planting 10,170 acres of seedlings of 2,400 kg Sang seed seedlings to reach 1.2 inches thick seedling circumference in early October, more than 1 meter seedling height, autumn planted strong seedling