10:1, water:urine
google with query of "fertilize with human urine" comes with several articles, all pretty much the same info. Here's a link to one that had me grinning from the writing style as well as the included joke.
http://www.nwedible.com/how-to-use-pee-in-your-garden/
So now that I've become better edjumakated and I've had my fair share of morning coffee, excuse me while I go charge up the compost pile (-;