Chelated minerals will be released slowly into the soil as the plants need them.
I do not have any background in microbes, but I do believe that they make for healthy soil and healthy food.
This is behind the No Tilling idea.
There are chemicals in tomatoes associated with different tastes.
If I were younger, I would like to get into the chemistry of plants.
Unfortunately, there is a need for profit in any research. So much, that we gardeners would like researched, is not done.
I joined the International Society for Horticulture Science hoping that there would be research useful to gardeners.
I am somewhat dissappointed as the profit motive is there too.