Thank you Tim, yes I know the difference between P & K.

I am sure you know that rhizobia bacteria that only interact for alfalfa is the same rhizobia also works for sweet clover.

Just for coincidence, we have a Korean United Methodist Minister who arrived here from Nebraska.
Yohan Baek, is his name.  He prefers to be called Pastor rather than Preacher, so naturally I refer to him as Pasture Yohan. 
He did not come from you neck of the Prairie did he?