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我省丘陵地区特点是:山势起伏不大,一般海拔高100-400米,多分布在山区与平原之间的土壤主要是红壤、黄壤,也有紫色土,因植被稀少,人为活动频繁,冲刷十分严重,多停留在幼年状态,非常瘠薄干燥.气候炎热,温差大,雨量分布不均,干湿季明显,日照强,蒸发量大.在这类丘陵荒山上不分土类、土质、地势等小气候条件,千篇一律营造杉木纯林,常常出现成活率低,成林慢,不成材的情况.近几年来由于创造和推广了三深栽杉、种肥育林等先进经验,增强了保水、保土、保
Hilly areas in our province are characterized by: the ups and downs of the mountain is not large, generally 100-400 meters above sea level, mostly in the mountains and plains between the soil is mainly red soil, yellow soil, there are purple soil, due to vegetation is scarce, frequent human activities, erosion Very serious, more stay in the juvenile state, very infertile dry climate is hot, big temperature difference, uneven rainfall distribution, wet and dry season is obvious, strong sunshine and large evaporation in these hills and barren hills regardless of soil, soil, topography And other microclimate conditions, the establishment of stereotypes of fir pure forest, often with low survival rate, slow forest, unsustainable situation in recent years as a result of the creation and promotion of three deep-cedar, fertilizer plantation and other advanced experience, enhanced water conservation Soil, Paul