Originally Posted by greendoctor
Don't bother. If micronutrients are needed, that is because there are issues with the soil causing them to be tied up.
I agree completely. In most cases all the nutrients you need are already in the soil. One of the jobs of soil biology to make these nutrients plant available through the process of mineralization.
A quick reference point:
The nation that destroys its soil destroys itself.
Franklin D. Roosevelt