Originally Posted by greendoctor
Soil types. Iron oxide and iron phosphate are not available in alkaline clay. In acidic soils, manganese competition becomes an issue.
Yes, that will do it...
Have you given consideration to raising the OM as a pH buffer?
It has been discovered that the root tips themselves change the pH in the immediate vicinity of where it is drawing from, so as to survive in otherwise hostile pH soils...
I confess I really haven't had a real discussion about this subject and am not sure if any of this is true... I do know that compost increases vigor every time I use it, but I only have personal assumptions as to why...
Originally Posted by ted putnam
Smallaxe, no hard feelings??......None here.
No hard feelings...