Compass Minerals is promoting its Protassium plus SOP fertilizer as a way to raise lemon yields by supplying potassium and sulfate-sulfur for tree growth. The p

Compass Minerals is promoting its Protassium plus SOP fertilizer as a way to raise lemon yields by supplying potassium and sulfate-sulfur for tree growth. The push underscores its broader agriculture focus alongside recent moves in water care and management.