管涔林区土类各论亢富德管涔林区，位于吕梁山脉北侧，地形复杂，河流交错，沟谷相间，海拔较高；气候寒冷，雨量充沛，无霜期短，较少发生春旱；植被生长茂盛，种类繁多，构成了特有的森林植物群落；母质大多为残积——坡积物，母岩以石灰岩、花岗岩、片麻岩多见。在上... Guanzhong forest soil categories on the Fu-Tak Tak tube tube forest area, located in the northern Lvliang mountains, complex terrain, staggered rivers, valleys and high altitudes; climate is cold, abundant rainfall, frost-free period is short, less spring drought; vegetation Lush growth, a wide range, constitute a unique community of forest plants; most of the parent material residual plot - slope sediment, the parent rock to limestone, granite, gneiss more common. above...