CB1 :

Superphosphate is known in one form as 0-46-0 and is quite common and we use it as clearly the limiting chem. factor in our ponds is phosphorus and not nitrogen or potassium

Interesting in the link below is the comment on
trip.phosp. having a stabilizing effect on ammonia/manure.

Maybe you or Bill can tell us what that means in the context of our prior post where ammonia was discussed in relation to you growout pond. I am no chemist.ewest

http://www.omri.org/superphosphate.pdf

http://www.simplot.com/agricultural/plant/upload/Tripple-Superphosphate-0-45-0.pdf