Since the plants are the same as they are in a CO2 enriched tank and we know the rates of uptake are there, we can scale down the rates for the non CO2 dosing routine.
I removed all fish and critters from the test tanks, I dosed only with KNO3m, and other inorganic fertilizer so that I would see only plant uptake and inorganic ferts contributions to the plant's health.
Going back and assuming 80-90% of the nutrients will come from the fish load, I added once a week KNO3/KH2PO4.
While trace mixes can be added, I decided to use SeaChem Equlibrium instead.
It has Fe and Mn as well as Ca/K/Mg/SO4.
I will add about 1/4 teaspoon per 20 gal tank once every week or two.
This greatly enhances the growth of the plants.
I also will add about 1/8" and 1/32" teaspoon of KNO3 and KH2PO4 respectively once a week or two.