木材采伐剩余物有:伐根、树冠材、小杆材和其它采伐剩余物。在利用采伐剩余物之前,需要把它的蓄积量、分布及其可利用程度调查清楚。伐根降低伐根是减少采伐剩余物,提高用材产量的重要途径之一。伐根是一种特殊的采伐剩余物,一般都留在采伐迹地上,没有加以利用。伐根占树干干重达25一30%,是碎 Lumber harvest residues are: spruce, crown material, small rods and other harvest residues. Before using logging residues, a survey of their stockpiles, their distribution and their availability needs to be made clear. Reducing stubble cutting is one of the important ways to reduce the cutting residues and increase timber yield. Vaccinium is a special kind of harvesting residue that is generally left on deforested land and not utilized. Stalks account for 25-30% of the dry weight of the tree trunk