Used neat it is an excellent compost activator. Diluted 1-10 it provides an organic, fairly quick acting nitrogenous feed for plants, which will green up your lawn, provide an early feed for your seedling root crops, and give your brassicas a treat.
Don`t forget the story of the Durham leek growing champion who admitted that he owed his success to Newcastle Brown, by stopping at his allotment to relieve himself on his way home from the pub.
As to saladmuncher`s worries, when you`ve dug in the the products from a cow`s backside and supplemented this with a pile of rotted vegetation, they`re surely not going to worry about a drop of pee.