1979年,我国北方寒地水稻栽培区引进日本大棚盘育苗机插秧的栽培技术。五年来的生产实践证明,这项新技术能够做到育苗工厂化、插秧机械化,可以保证寒地水稻安全高产,也可使苏打盐碱区的水稻大面积亩产千斤以上。 In 1979, cultivation techniques of transplanting rice seedling machines into Japanese greenhouse trays were introduced into paddy cultivation areas in the northern part of our country in winter. Five years of production practice has proved that this new technology can be nursery factory, transplanting mechanization, to ensure safe and high yielding rice in the cold, but also to soda ash saline area of ​​?? large-area mu kilograms or more.