樟子松是针叶速生用材树种之一,是我国北方,特别是干旱沙区的主要造林树种。它具有生长迅速,适应性强,材质好,用途广等优点。随着义务植树群众运动的开展,樟子松苗木的需求量和育苗任务越来越大.掌握樟子松苗期生长规律,进行科学育苗,以保证生产更多的优质苗木,具有重要 Pinus sylvestris is one of the fast-growing species of coniferous trees and is the main afforestation tree species in northern China, especially in the arid sandy area. It has rapid growth, adaptability, good material, wide use and so on. With the voluntary tree planting movement carried out, the demand for seedlings of Pinus sylvestris seedlings and seedling growing more and more mastering Pinus sylvestris seedling growth rules, scientific nursery, in order to ensure the production of more high-quality seedlings, it is important