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安徽省旌德县蔡家桥林场地处皖南中低山区,属亚热带季风气候,是杉木主产区之一,也是培育杉木速生丰产林的重点示范场。笔者全面参与了杉木中幼林培育的整个过程。通过砍灌、除萌、间伐、除蔓、人工整枝,使郁闭度控制在0.6￣0.7之间,抚育间伐后的第二年或第三年,年生长量一般达每亩0.6￣0.7立方米,提升了林地潜力。
Caijiaqiao Forest Farm in Jingde County, Anhui Province is located in the middle and low mountainous area of southern Anhui, which belongs to the subtropical monsoon climate and is one of the main producing areas for Chinese fir. It is also a key demonstration field for fir fast-growing and high-yield forests. The author fully involved in the whole process of cultivation of young and middle-aged fir. By cutting irrigation, in addition to adorable, thinning, in addition to vine, artificial pruning, the canopy density control between 0.6 ~ 0.7, the second or third year after tending thinning, the annual growth rate of 0.6 ~ 0.7 cubic meters per mu Rice, enhance the potential of forest land.