随着我国人口增长和人民生活水平的提高，农业生产正由传统型向集约型转变，多熟制面积逐年扩大，为了实现多熟、高产，必须有效地利用光热资源。因此，育苗移栽已成为现代农业高产、高效的一个重要手段。但目前育苗移栽这一重要实用技术难以进一步扩大规模，主要原因是育苗器 With the growth of population and the improvement of people’s living standards in our country, agricultural production is shifting from the traditional type to an intensive type. The area for multi-cooked products has been expanding year by year. In order to achieve multi-cropping and high-yielding, it is necessary to effectively utilize light and heat resources. Therefore, transplanting seedlings has become an important means of modern agriculture, high yield and high efficiency. However, the current seedling transplanting is an important practical technology difficult to further expand the scale, mainly due to nursery