Scenedesmus obliquus, inoculated in the carbonate hard water in the Yucheng County, Shangong Province, was observed to grow rapidly under the condition of supplementing certain salts and aeration.

• 斜生栅藻（Scenedesmus obliquus）引种至山东禹城辛店洼碳酸盐型水中后，在补加必需营养盐、充气的条件下培养，可以高速增长；