Thanks Tucker.
I switched to this formulation because it was easy to get locally and met what I was looking for in terms of a somewhat lower nitrogen fertilizer than what I had been using. I do agree that the phosphorus provided is more than the plants probably need. I am not too concerned over what the plants waste, as it is a relatively small amount of N, P, and K each year anyway (what I apply to my orchid bench in the summer is much less than an equivalent area of lawn grass, for example).
I think a lot of the improvement I have seen is related to the lower N provided, rather than the higher P.
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