Andy writes:
Or you can just have a free punk rock concert where you want your
garden to be. Between the pee, poop, and vomit, you should achieve
the results you want. ..... and you may get some free marijuana shoots
next spring as a bonus...

Andy in Eureka, Texas

Not a good idea because all the traffic would leave your garden area
too compacted.

Better to offer sewer sucking services a pit to empty their trucks. Or
if you're in chicken country, take some of the waste from chicken
packing plants and till into your soil.