To select northern energy plants,we collected 17 species of wild herbage plants and 3 species of moody plants in greenhouse in Tianjin area,plant oil content was analyzed.

• 为了筛选北方能源植物,在天津地区采集了17种野生草本植物,以及3种温室木本植株,采用索氏抽提法,分析了其植物体的含油量。