Technique of Transforming Osmanthus fragrans in Courtyards

Twenty-eight trees of Osmanthus fragrans which hadn't bloomed for a long period were selected and divided into 4 groups one of which was comparison. After they were respectively transformed by using different combined measures, the blooming rate of No.1 group is 75 percent and the rate of No.2 is 10 percent. Seven technical measures are put forward on how to transform Osmanthus fragrans growing in courtyards.