去年春季,凌源县刘杖子公社干沟子大队营造了100多亩营养钵油松林。据今春调查,造林成活、保存率均达85％以上。实践证明,油松营养钵造林是提高造林质量,加速绿化荒山的一种好方法。它具有成活率高,不受造林季节限制(春、雨、秋季均可造林)、成本低和方法简便等特点。 Last spring, Lingyuan County, Liu Zizi commune Gan ditch sub-brigade to create a more than 100 acres of nutrition bowl pine forest. According to this spring’s survey, afforestation survived, the preservation rate reached more than 85%. Practice has proved that Pinus tabulaeformis afforestation afforestation is to improve the quality of afforestation and accelerate a green afforestation a good way. It has the characteristics of high survival rate, no afforestation season (afforestation in spring, rain and autumn), low cost and simple method.