国外大量研究结果表明:如果在校园、教室里种植一定数量的花草,而且绿色面积达到4%～8%,学生的学习自主力和思想集中力会有极大的提高,学习成绩会明显上升。其原因是绿色植物会分泌出 A large number of foreign studies have shown that: If a certain amount of flowers and plants are planted in the classrooms and classrooms, and the green area reaches 4% -8%, students’ learning autonomy and ideological concentration will be greatly improved and their academic performance will obviously increase. The reason is that green plants will be secreted