^ not really.... a producer is like Dr. Dre, Eminem, Kayne West, Just Blaze, Necro etc.... they just use a Drum Machine and those other electrical gadgets to make beats.... DJ's are the people on the turntables who spin disc's and scratch etc...

The difference is, since DJing is far harder than simply being a producer, most DJ's can produce and work the turntables... so that explains why you see something like "produced by DJ Premier".. he's a DJ that also produces... but you'll never see "produced by DJ Dr. Dre" cos dre just produces, no DJing...

also notice that 95% when a DJ is producing, scratches are worked into the beat... especially true with DJ Quik and Premier...

hope that helped