yeah, maybe try some cal-mag, but IMO your ph is too low for soil, so right now adding more might not even help if it's locked out.
you should try to be 6.2-6.5 in soil, that's prob why your mag is getting locked out. . . have you checked your runoff pH?
you should try to be 6.2-6.5 in soil, that's prob why your mag is getting locked out. . . have you checked your runoff pH?