在林业生产实践中发现,现行的《育苗技术规程》中规定的生产区土地利用率与设计中实际发生的土地利用率有差异,因而对产苗量计算等设计指标带来一系列问题。例如,在现行的《育苗技术规程》及育苗生产中,当育苗面积达到360m~2时,生产用地面 Found in the practice of forestry production, the current “seedling technical regulations,” the provisions of the production area of ​​land utilization and design actually occurred in the land utilization rates are different, so the design of production and quantity of flowers and other design indicators to bring a series of problems. For example, in the current “seedling technical regulations” and nursery production, when the nursery area reached 360m ~ 2, the production of the ground