+1 to the above. It's artifical on pavement. The soft field take off is more so that you understand the mechanics of what you are doing and why. To get the airplane off of grass or dirt (which is draggy and lengthens the takeoff roll) and accelerate in ground effect. On a no kidding grass strip you'll know when you're in ground effect because the ride will smooth out, then you can gradually lower the nose as you accelerate, then raise the flaps.

For the landings, the goal is just to hold the nose off for as long as possible, and eventually slow to a roll with full back stick (or yoke) to keep as much weight on the mains as possible. On a soggy or thick grass field, dumping the nose on landing can bury it and possibly lead to a nose over.

If you can find a grass strip to use and an instructor that doesn't suck to fly with, have them go take you out for a few laps, it's a lot of fun!