But where will the fertilizer come from?

For a long time I have thought that locally produced food was the next best thing to organic food. However, the phosphorous dilemma has put the whole issue of localism into a new light. How can food be called "local" if the fertilizer comes from Ontario, or Togo? Check out the link below, there aren't too many years left of phosphorous mine-dependant agriculture.

http://www.sei.se/dload/2004/Rosemarin_NP.pdf