山杏一直被作为野生资源,缺乏管理,多数靠天收。据调查,山杏核产量很低,每667m2产杏仁3kg左右。为了提高冀北旱薄地山杏的产量、品质和经济效益,应重点抓好以下几个技术环节。(1)栽植密度山杏林合理的密度为83~111株/667m2。凡密度小的要进行补栽,补栽前必须精细整地,按穴状整 Apricot has been used as a wild resource, lack of management, most rely on days income. According to the survey, the yield of wild apricot kernel is very low, about 3kg of almond produced per 667m2. In order to improve the yield, quality and economic benefits of dry apricot in northern Hebei, we should focus on the following aspects of technology. (1) Density of planting Prunus armeniaca Forest reasonable density of 83 ~ 111 plants / 667m2. Where the density of small to carry out replanting, replanting before must be finely cut, according to the whole hole