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春季直播造林,播种育苗是一个重要内容。为了使林木种子发芽整齐、迅速保证播种成功,在播种前必须进行种子的催芽处理。催芽处理方法很多,这里介绍一般常用的三种方法.一、混沙层积埋藏处理法,就是在播种前2～3个月,选择背风向阳、无碱、排水良好的地方挖一个坑,深宽均为一米,长根据种子的多少而定。把沙子加水拌匀,湿度以手握成团不滴水为宜,先在坑的底部铺一层5厘米厚的湿沙,沙
Direct seeding in spring, sowing seedlings is an important part. In order to germinate tree seeds neat, quickly ensure the success of sowing, sowing must be carried out before planting seed germination. There are many ways to promote germination, here are three commonly used methods.A, mixed sand layer buried processing method is 2 to 3 months before sowing, select the leeward sunny, alkali-free, well-drained place to dig a pit, deep The width of one meter, depending on the length of the seed may be. Mix the sand with water, humidity is not gloomy group into the appropriate drip, first at the bottom of the pit shop a layer of 5 cm thick wet sand, sand