Landings vary considerably depending on the type of plane in question, both with R/C models and the real thing. Most primary trainer aircraft can simply be flown down to the deck while bleeding off airspeed and then "flared" slightly as the main gear touches down.

How you land a trainer is different than a sport plane, which is different than a scale aerobatic plane, which is different than a pattern ship, which is different than a scale warbird, which is different than a sailplane, which is different than a turbine powered model, which is different than a 3D style stunt plane...