Yeah I would like to know for sure lol
This is a very common compost tea recipe you can find nearly the exact one all around give or take a few additives but mostly the same. Can cite sources if needed.
The worm castings act as a buffer to hold extra nutrients, its also full of beneficial Mycorizae that help nutrient uptake and build a better root system.
The molasses is sugars and carbohydrates that feed the Mycos and also the plant.
Kelp contains some N and alot of K and also alot of micronutrients and vitamains and other good stuff. Promotes root growth mostly and avoid deficiencies.
Azomite contains trace elements and Amino acids. I also use a Soul Synthetics Amino Acids in my feedings. Amino Acids help alot, bigger buds, overall growth, thicker stems.
Alfalfa Meal, when broken down by microorgranisms produces a natural plant growth hormone found in alot of products, Check massive bloom, Advanced Nirvana line etc, they contain Triacantonol or Alfalfa Meal which is a natural PGR. Alot of people don't talk about that one but it's widely used. Produce way more growth and bigger buds. Subcools super soil got me hip to it.
Look into it and see what you find, giving away all my secrets here