@SeamLouis-- Yes, temperature and other factors may need to be adjusted. It really depends on the bacteria and their needs. Some bacteria are easy to grow while others need a very specific type of environment. Bacterial cultures, the plate, what it contains and temperatures vary depending on the bacteria and needs.
For example, one type of agar plate culture involves the use of blood as well as heat. Here, the bacteria gain receive nutrients from the agar concentrate. The blood is there so that the technician can observe how the bacteria break down red blood cells. This is used for diagnostic purposes, as well as to determine the right treatment.