北方林区多在春季进行播种育苗,黑龙江省通河县国营苗圃,多年来采取在秋季进行落叶松播种育苗,实践证明,秋播育苗是可行的。现对有关问题,谈谈我们的体会。一、秋播的好处1、苗木出土早、苗齐、苗全。秋播不仅苗木出土早,而且开始出土到苗木出全的间隔时间也短,苗木整齐,节省种子勿需进行种子处理。详见表1。 In the northern part of China, sowing and nursery are mostly carried out in the spring. Tonghe County State-owned Nursery in Heilongjiang Province has adopted sowing seedlings for larch in autumn for many years. Practice shows that seedling raising by autumn is feasible. Now on the issue, talk about our experience. First, the benefits of autumn sowing 1, early excavated seedlings, seedling Qi, Miao Quan. Autumn sowing not only early unearthed nursery stock, but also unearthed to seedling out of the whole time is also short, tidy nursery stock, save seeds without the need for seed treatment. See Table 1 for details.