Answer: Excessive fruit drop can mean lack of pollination, or excessive soil moisture. Lime trees should be watered often enough to keep the soil from drying out, but not so often that the soil remains soggy. Try watering deeply, applying water slowly so it is absorbed by the potting soil rather than just running out the drainage holes. If the pot is small enough, try immersing it in another container of water and letting it set for 15-20 minutes, until air bubbles stop rising to the surface. Then remove and allow to drain. Watering in this way will wet the entire rootmass and force air pockets out. Next time your tree flowers, try visiting each open flower with a small paintbrush or cotton swab, in an effort to transfer pollen. This should ensure a fruit set. Best wishes with your lime tree!
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