论文部分内容阅读
水曲柳是我省的主要用材树种,为了营造混交林,水曲柳越来越受到人们的重视,由于水曲柳种子发芽困难,在育苗生产中一般都要经过种子处理才行。我们红旗林场,地处高寒山区,生长季节短,为使苗木不受霜害,在实践中摸索到不用种子处理的一种播种方法——与大豆同时播种。我们于1982—1984年,利用苗圃休闲地,按水曲柳的正常播种量和株行距,在播种大豆同时,将水曲柳的种子播放在同一播种沟内(条
Ash is the main timber species in our province, in order to create a mixed forest, Ash is more and more people’s attention, due to Difficult to germinate Seeds, seedling production in general have to go through seed treatment Caixing. Our Red Flag Forest Farm, located in the alpine mountainous area, has a short growing season. In order to make the seedlings not frost, in practice, a sowing method that does not need seed treatment is to be sowed simultaneously with soybean. In 1982-1984, we used the nursery leisure ground, according to the normal sowing amount and spacing of manchurian ash, and sowed the seeds of manchurian ash in the same sowing ditch