20世纪80年代,是我国的林业苗圃机械化最好的发展时期。这期间以床作培育针叶树种为重点,进行了整地、筑床、播种、起苗、切根、移植、覆防寒土、撤防寒土等机具的研制和应用,同时进行了林木工厂化育苗机械设备和设施的研究与开发。到了20世纪90年代,我国的苗圃机械化进入了停滞不前、甚至倒退的发展时期。由于受到林业产业结构的调整和林业“两危”的影响,大批的林业机械制造企业转产、停产,到目前为止,我国专门生产林业机械的企业超过 In the 1980s, it was the best period for mechanization of forestry nursery in our country. During this period, we focused on the cultivation of conifers by beds, and researched and developed such tools as soil preparation, bed-making, seeding, seedling raising, root cutting, transplanting, preventing and controlling cold soil and removing cold soil. At the same time, Equipment and facilities research and development. By the 1990s, the mechanization of nurseries in China had entered a period of stagnation or even retrogression. Due to the adjustment of the forestry industry structure and the “double jeopardy” of forestry, a large number of forestry machinery manufacturing enterprises have been converted into production and stopped production. So far, the enterprises specialized in producing forestry machinery in our country have surpassed