It's a crop (mostly between the rows pre-em). Here's the label:http://www.cdms.net/ldat/ld75R005.pdf Read it for yourself and decide how it relates to your situation.

 

I think stealth is one of the trade name for pendimethalin. The label says about 1-1.8 oz per 1000.

 

Pendi, just with an ag label and much cheaper. Prowl is the same thing also.