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本文通过连续四年定位研究,结果表明:炼山能明显地提高杉木造林成活率;对幼林生长有促进效应,但这种效应仅是短期的,一般在炼山后第一年至第三年;炼山还有利于一年生草本和阳性植物种类增加。
Through four years of continuous positioning research, the results show that: refining the mountain can significantly improve the survival rate of afforestation; young forest growth has a catalytic effect, but this effect is only short-term, usually in the first year after refining the third year ; Refining the mountain is also conducive to the increase of annual herbs and positive plant species.