Semen is the citrate agar dishes streak on the surface, and then apply to curing. Notice the color of the Green will be changed from rahan's blue. Indicates that the type of bacteria with citrate as a carbon source used.
Brings infection to the surface streak citrate agar dishes were then incubated. Notice the color of Cafes will change from green to blue. Show that bacteria can use citrate as a carbon source.
The infections were streak on food surface citrate agar then the maturation. Notice the color of the diary food will change from green to blue. Show that bacteria are used citrate as carbon source.