In article
,
says...
What are the most inexpensive sources of chemical fertilizers for high
nitrogen application?


Most of my urine goes into a container which I dump
daily into my compost bin. If I had a large area, I
would consider just mixing it into the regular
irrigation water.

Price: Free

--
Guide To DIY Living
http://www.self-reliance.co.nz
(Work in progress)