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铜山县黄集苗圃于1966年从南京林学院引进小意杨,1977年又从江苏省林科所和丰县苗圃引进意大利214、45、63、69、加龙杨及沙兰杨,1978年春进行小面积造林,以进行对比试验,现已取得良好结果.简报如下:一、试验地概况和栽植方法试验地原为苹果砍伐迹地,面积6.5亩.土壤为粘壤土,pH8左右.地下水位较高,雨季在0.5米左右,旱季0.8—1.0米.造林前全垦整地.栽植穴1×1×1米.造林密度5×5和5×7米两种.苗高3.5米左右,深栽0.6—0.8米,每穴施土杂肥2筐,随即灌水.当年4—5月间又灌
Tongji County Huangji Nursery in 1966 from Nanjing Forestry College introduced Xiao Yang, in 1977 from the Jiangsu Provincial Forestry Branch and Fengxian nurseries to introduce Italy 214,45,63,69, Garong Yang and Sallam, the spring of 1978 Briefing is as follows: First, the general situation of the experimental site and planting method The original experimental land for apple deforestation, an area of 6.5 acres, the soil is clay loam, about pH 8. Groundwater level than High, the rainy season is about 0.5 meters, the dry season 0.8-1.0 meters .Forest cultivation before planting .Planting hole 1 × 1 × 1 m. Afforestation density of 5 × 5 and 5 × 7 m. Seedling height of about 3.5 meters, deep planting 0.6-0.8 m, 2 holes per pot of soil mixed fertilizer, then irrigation. Between April-May that year and irrigation