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通过对河北坝上地区白干土影响树木生长机理的分析 ,提出了该土壤适宜的造林技术措施是选择穿透能力强的白榆、山杏等树种造林 ,整地深翻 4 0cm以上 ,以及选择适宜的造林密度
Based on the analysis of the mechanism of tree growth affected by Baigan soil in Bashang area of Hebei province, it is proposed that the appropriate afforestation technique is to choose the elite elm seedlings such as elm and almond, Afforestation density