How was the taste? K deficient fruit should be kinda meh tasting. I have personally never seen this and have grown in some really poor soil before.
But as AKmark said, the nutrition for the whole fruit life is important (so like at least 1 month) to the final result, like taste etc.
Does the pH seem ok? Any signs of iron or manganese deficiency (yellowish or mottled new growth) which would indicate high pH? I have seen much increased green or yellow shoulders with the definite cause being high pH.
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