Steve Solomon in his book would target S at half the Mg level which means in your case your sulphur is fairly low. It also seems your Phosphorus is pretty low.
I generally like the ideas of the Albrecht system but I'm not sure its correct to say they are fully generally accepted.
https://en.wikipedia.org/wiki/Base-c...io#Conclusions
The conclusion here was that most of the positive effects could be attributed to liming and raising soil pH.
https://www.agricology.co.uk/field/b...is-what-it-you
Generally I think its good to have a wide range of soil nutrients in some sort of balance but at times it seems there isn't so much actual scientific evidence to back it all up.
It would seem for such a fundamental thing as soil fertility and the claims made there would be an abundance of scientifically run field trials to back up those claims.