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萌发力强的树种,造林后树苗生长往往缓慢,树形弯曲,这时需进行平茬,即贴地皮砍去树苗的地上部分,使其再生新枝.杨、柳插条幼林,平茬后当年萌发的新条可高达3~4米,粗2~3厘米,比未平茬的高出1倍以上.此外,平茬后幼树枝干通直木材质量好.灌木树种平茬后,可取得更多的条材、饲料、燃料和绿肥,增加经济收入.
Germination of strong tree species, saplings often grow slowly after planting, tree bending, then the need for stubble, that is, paste the ground cut the saplings of the aerial parts, to regenerate new branches. Yang, willow young plantation, stubble after Germination of the new bar can be as high as 3 to 4 meters, 2 to 3 cm thick, more than 1 times higher than the unplanted stump. In addition, after stubble young branches through straight wood of good quality. Shrub stubble species available More strips, feed, fuel and green manure, increase economic income.