白于山区仁用杏生长状况与评价

编号 zgly0000340130

文献类型 期刊论文

文献题名 白于山区仁用杏生长状况与评价

学科分类 220.45;经济林学

作者 白岗栓  杜社妮  侯喜录 

作者单位 西北农林科技大学水土保持研究所杨凌 

母体文献 林业科学 

年卷期 2004,40(6)

页码 185-189

年份 2004 

分类号 S727.33  S662.201 

关键词 白于山区  仁用杏  生长  陕西  根系  坐果率 

文摘内容 In Baiyushan hilly area, the roots system of almond-apricot mainly distributes vertically in the subsoil from 30 cm to 80 cm and horizontally distributes from 50 cm to 180 cm around the trunk. There are three growing peaks of the roots in a year and July-peak is the tallest one. From March to July is water losing period in subsoil of almond-apricot orchard, water losing is mainly from the aubsoil above 200 cm. There are three growing peaks for extending shoots and only one peak for fruit shoots in a vear. Fruit set percentage of almond-apricot is 15.61 %, of which short fruit branches are 22.62%, long fruit branches are 8.56%. Although there are differences in the growth of almond-apricot trees gown in slope lands with different elevation,aspects, and slopes, all trees grow well. Except frostbite harming, Baiyushan hilly area could be a better commodity production base of almond-apricot。