【摘要】 水资源短缺是制约北京可持续发展的重要因素之一。本文讨论了大面积绿化与水资源短缺之间矛盾。在多年引种、栽培及抗旱生理研究的基础上 ,提出耐旱、节水型宿根花卉在城市园林绿化中应用 ,可以缓解上述矛盾 ;并对可应用种类的繁殖、栽培等进行了初步研究更多还原

【Abstract】 Water shortage is an important factor that restricts the sustainable development of Beijing The contradiction between large scale virescence and water shortage was discussed Based on experiments of planting, cultivation and research on drought-restistance physiology on perennial flowers for servaral years, we suggested that the large-scale planting of drought-resistant and water-saving type perennial flowers in city garden and landscape alleviate the contradiction; Primilary study on multiplication, cultivation and application of available perennial flowers was made更多还原