Originally Posted by RigglePLC
Maybe he is just being honest, and his machine doesn't go real deep. If soil is a bit dry...penetration is poor. If not enough weight...pull behind drum-type...or not really wanting to go deep as in soil preparation for seeding mainly...penetration is not much.
If you are doing it to permit seed germination, two passes at one inch deep is probably better.
Doing it for both reasons Riggle, will be overseeding shortly after the areating and I want to losen the soil to insure better moisture absorption.
I have these guys coming tomorrow evening before I make a decision.