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用种子培育的杨树苗木,要比用插条培育的苗木好,有根系发达、栽植好成活、生长旺盛、寿命长和抗心腐病等优点。当前,我区杨树播种育苗比较多的品种仍是小叶杨、小青杨,还有少量的辽杨、箭杆杨等。杨树播种育苗技术,主要包括下面三个方面。一、苗圃地准备杨树种子很小,发芽迅速,但扎根困难。幼苗喜欢阳光又怕湿热,更怕苗床积水。因此,杨树播种育苗一定要选择排水良好、灌水方便的沙质壤土作为苗圃地。杨树播种育苗,对整地、作床
Poplar seedlings nurtured with seeds, nursery stock better than cuttings, rooted developed, planted to survive, strong growth, long life and resistance to rot and so on. At present, poplar seedlings planted in our district are still more Populus simonii, Populus euphratica, there is a small amount of Liaoyang, Arrowhead Yang and so on. Poplar planting seedling technology, including the following three aspects. First, the nursery to prepare poplar seed is small, rapid germination, but rooted in difficulties. Seedlings like the sun, afraid of dampness, more afraid of seeding water. Therefore, planting poplar poplar must choose good drainage, irrigation and convenient sandy loam as nursery. Poplar planting seedlings, on the preparation for bed