In article .net, "Steve Peek" wrote:
Compost well before using. I got a lot of weeds using fresh horse manure
once.

It can be seriously stale and broken down, and some grass seeds will
still come through. I've found you don't want even the most composted
horse manure IF the horse was fed bermuda grass hay -- unless the
object is to start a new bermuda grass lawn!!

~REZ~