赞皇县是个山区县,六十年代初,我国经济困难时期,山地开荒盛兴一时,以后逐渐废弃,形成大量撩荒地,估计有3—5万亩。 干旱,是华北石质山区造林成活率低的主要原因。通过调查,我们认为撩荒地土壤水分条件好,利于植树造林。但各地在选择造林地和确定造林措施时,往往忽视这一因素。 Zanhuang County is a mountainous county, the early sixties, China’s economic difficulties, mountain Shengxing a temporary wasteland, and later gradually abandoned, the formation of a large number of abandoned land, an estimated 3-5 million mu. Drought is the main reason for low survival rate of afforestation in stony mountainous area in North China. Through investigation, we think that the conditions of soil moisture in the relict are good and conducive to afforestation. However, this factor has often been overlooked when choosing afforestation sites and afforestation measures.