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Re:Sri Lanka is having a textbook currency crisis, triggered... by raxxorraxor on Wednesday July 13, 2022 @08:06AM (#32081515)
P is mainly manure I believe. It is residual in rocks but I don't know if plants can use that.

Ash is a good source for K if there are no other K-rich fermented dead plants available.

You get a lot of both from coffee grounds so someone might have to drink a lot of coffee.

Re:Sri Lanka is having a textbook currency crisis, triggered... by shanusmagnus on Wednesday July 13, 2022 @09:47AM (#32082672)
Number me in the coalition of the willing.