青海大学绿地草坪杂草调查和现状分析

为了调查和分析青海大学绿地草坪的存在现状，对草坪杂草种类、种群密度和危害程度等进行了系统的调查和研究。结果表明：草坪杂草种类繁多，主要杂草类型有：蒲公英、车前、鹅绒萎陵菜、青蒿、野艾蒿、冰草、藜，大部分草坪处于杂草的3级危害程度或以上。同时，分析了青海大学校内现有的草坪种植和养护措施，发现了现有草坪管理措施和杂草控制方法存在的问题，并提出了针对性的改善意见。

Investigation of Lawn Weeds on Campus of Qinghai University

In order to investigate and analyse the present situation of green lawn in campus of Qinghai University,this article undertakes a systematic study of the lawn weed species,population density and the degree of harm. The results show that there is a variety of turf weed,and the main weed species are dandelion, plantain, velvet wilt hills food,Artemisia vulgaris, Artemisia annua ice grass lawn and pigweed; the harm degree of the weed in most of the lawn is 3 level or above. At the same time, the article analyses the present lawn planting and conservation measures in the campus of Qinghai University, finds the existing questions of turf management measures and methods of weed control,and proposes the corresponding improvement opinions.