Answer: It sounds as though your tree is receiving all the necessary elements to keep it healthy and happy. Your fertilizer is just fine - I wouldn't change a thing. Leafminers shouldn't affect the fruiting ability. If your tree produced fruit last year but dropped all the fruit this year, I wonder if it has gone into a cycle of alternate bearing. Alternate bearing (fruiting every other year) can become a problem for some types of citrus. Trees that alternately bear normally crop lightly (10 to 25 percent of normal crop) following years when crops are heavy. Wish I knew for sure! Your tree should flower again this year. Let's hope it holds its fruit!
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