This is how to make a professional grass farm. Like a Pro.
Step 1: Materials
Two liter bottle
Step 2: Cutting
Stick the knife in the bottle and cut bottle as shown.
Step 3: Dirt-i-fying the Bottle
Put some dirt in the bottle.
Step 4: Grass-i-fying the Bottle
Put some grass in the bottle.
Step 5: Done
Just add water! For an added challenge, see if you can grow a lollipop. Also wear the top of the bottle on your head and become the green man.