I asked a while back about where people are getting bulk NPK.
It came down to a few sources.
I can get you the kmag in 50 or 1000 pound bags. I would have to check on bone char.
Crop production services
Laws Ag out of Brandon does Lime.
Giroux poultry has composted manure
Casella distributes wood ash
Fedco grower supply has bone char and KMag
North country Organics
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