在海拔为三千零四十米的兰坪县通甸公社黄木大队必再山山腰上,生长着一片面积为一千二百亩的多主干华山松林。据踏查:在这片华山松杉林里双主干的占百分之四十四,三主干的占百分之二十,四主干的占百分之十二,五主干的占百分之六,十主干以上的占百分之八,单主干的仅占百分之十。这片多主干华山松,树高一般在十至十五米,胸高直径为十二至四十厘米,从地面开始分干。二至五主干的,其分干均通直丰 At an altitude of 3,040 meters, the Huangmu Brigade, the commune of Tongdian County, Lanping County, must have a mountainous pine forest with an area of ​​1,200 mu. According to Cha Cha: in this piece of Chinese fir forest double trunk accounted for 44%, three main accounted for 20%, four main accounted for 12%, five main accounted for 6% , Eight percent of which are above the backbone and only ten percent of the single backbone. This piece of multi-stem Huashan pine, the tree height is generally ten to fifteen meters, chest diameter of twelve to forty centimeters, from the ground began to dry. Two to five trunk, its branches are through straight abundance