Calcium-phosphate (Ca-p) instead of (Ca)
Sulfur trioxide (SO3)
Phosphorous pentoxide (P5O5)
And I saw that you had the basic magnesium but could also include a profound break down other materials like
Magnesium oxide (MgO) OR Manganese oxide (Mn2O3)
I might not know much about bananas but im pretty good in chem. and these elements I just realized they were all water soluble some I described cannot be water soluble so I definitely understand why their not there in the first place but you can mix up two together to make the perfect fertilizer most of these elements I described can be in rock dust such as azomite besides the (Ca-P) but I think simply mixing the two will be such a good boost profitable for you and its a WIN WIN situation you put a little extra time we get an incredible product
