Concord disc drills/ disc drills In general ..what are a guys likes and dislikes about them ?

Can you seed between 8 and 10 mph like they say ?

Putting 300 pounds of product on ? Is it possible to put that amount on with those drills that fast and still be accurate ?

Plan on doing canola and cereals

Are the metering systems similar and as accurate as a case IH 3430 tank ?

And how are they in the mud ?