Screamin Green 16-2-3 is 40% OM, Whole Shabang 6-2-4 is 50% OM, Dynamic Duo 4-3-1 is 55% OM.
This does not mean that the remainder of these products are synthetic chemicals. Organic Matter is measured by weighing product before and after burning the carbon content off.
Nutrients PLUS OMRI listed 4-4-2 is pure composted poultry manure and is measured at 50% OM by the burn method.
The nation that destroys its soil destroys itself.
Franklin D. Roosevelt