This was the hierarchy given to me by Jeff Kropp, and I'm pretty sure it's close (if not the same) as what Tom would advise:
Light>CO2>nitrogen>phosphorus>potassium>calcium>magnesium>iron
I originally thought that iron would be more important than Ca and Mg, but I guess not.
Hope this helps.
-Naomi
Light>CO2>nitrogen>phosphorus>potassium>calcium>magnesium>iron
I originally thought that iron would be more important than Ca and Mg, but I guess not.
Hope this helps.
-Naomi