摘要
本课题历经5年时间,系统地研究了北京园林土壤在人为影响下形成的特殊堆垫类型,并与其它土类进行比较,研究其理化性状及养分分级。重点调查主要游览区土壤的理化性状及其植物的致衰原因,为树木的养护管理、古树名木复壮、园林土壤管理及改良利用奠定基础,因此,对首都绿化美化、古树名木的管护意义深远。
The special soil piling-cushion type and its formation was systematicallystudied under people's disturbance five years.Moreover,physical & chemicalcharacteristics,and nutrient classing of the garden soil was surveyed in comparsionwith other soil types,the physical & chemical characteristics of the soil and the lethalof plants was especially investigatal in sightseeing areas,which lay a foundation fortree maintenance and management,rejuvenation of old and famous trees,soil manage-ment of gardens,and improvement and utilzation.Therefore this asearch has pro-found significance in afforesting,beautifying and preserving to the capital of China.
出处
《北京农学院学报》
1994年第2期25-44,共20页
Journal of Beijing University of Agriculture
关键词
同林土壤
堆垫类型
理化性状
改良利用
soil of beijing gardens,piling-cushion type,physical & chemicalcharacteristics,improvement and utilization