Cletus clem:
do a slurry test. 2" in 2" down, 1 oz of dirt from the root zone. 1 oz of distilled water. Stir a few times, let it chill 15-20 minutes, hlf hour, whatever. Test ppm and ph. That will tell you whats going on in the root zone.
I didn't fallow you on this point, could you explain?