It does. The research shows that in containers, the combination of slow release inorganic fertilizers, or weak water soluble "fertigation" with mycorrhizal fungi leads to increased size and yield. In particular it helps deal with high soil temps so common to container gardening, presumably by increasing the ability of the plant to take up water for evaporative cooling. But it also helps deal with the other various stresses we place on our plants (like transplanting, disease, insects.. etc.)
I can link some of the papers if you like, just have to search a little.
Most of this research was done in the context of nursery growers, and was particularly concerned with economic efficiency.
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