为了多快好省地完成更新任务,綽尔林管区烏丹河林場林繼森同志,经过努力鑽研,制造了一种先進的更新工具——正地鎬,并在全林管区的更新作業中推行后起到了重大作用。現將此鎬介紹如下,希望各地提出改進意見。此鎬適用于草根盤結層緊密林場的造林前正地和人工促進更新正地。它是由弓形砍刀和扇形片鎬兩部分合成的。在正地时,首先用砍刀砍出穴的兩条平行豎线,然后用片鎬刨开穴顶 In order to accomplish the task of updating more quickly and economically, Comrade Lim Jien-sen of Wudan River Forest Farm in Chuelin Sub-district has made great efforts to study and manufacture an advanced updating tool - Zhenggao-ho and implemented it in the renewal operation of the whole forest area Played a significant role. Here is a brief introduction of this ho, hoping to put forward suggestions for improvement. This pick applies to afforestation and artificial regeneration in close-knit forest stands. It is composed of arched machetes and segmented piece picks in two parts. In the right place, first cut the hole with a machete two parallel vertical lines, and then use a pickaxe to dig the top of the hole