【摘要】 <正> 文冠果(Xanthoceras sorbifolia Bunge)是开发、栽培历史较短的油料树种。70年代以来,内蒙古农牧学院研究了文冠果根系的组成和生长动态。缨礼科等调查过文冠果苗木的根系。周君英等进行了切除根尖,促生侧根的试验。而有关文冠果根系的生长特性、生态因子同根系生长关系的研究,未见报道。为此,我们于1981—1982年在内蒙古和林格尔县浑河林场及中国林业科学研究院磴口实验局,对1—16年生文冠果树根系进行了调查研究。更多还原

【Abstract】 Xanthoceras sorbifolia is one of the widely distributed indigenous economic tree species in northern China. Since its cultural history is short, the knowledge of its morphology and ecology is rather limited. This paper deals with the morphology and distribution of its root systems in the soil as well as the responses to different ecological facters in various sites. Besides, the influences of soil texture, fertility, moisture content and underground water level on its growth and development are also discussed. Techniques of planting and management for high fruit yield are recommened. The investigation shows the ground water should be less than 4 m deep when the orchard of Xanthoceras sorbifolia is set up for the fruit production as the main; thick layer of powdery sand or clay should be avoided; the spacing of young trees should be greater than 2m; the soil management should be strengthened for the peripheral land out of the crown shade.更多还原