Question: asking for the control measure to control immature fruit & flower drop problem in coconut.
Answer: suggested to apply recommended fertilizer like-urea @ 1.5 kilogram/plant,ssp @ 2.5 kilogram/plant,mop @ 1.75 kilogram/plant,borax @ 50gram/plant.fertilizer should be applied in two equal halves twice in a year to a trench of 10-12 centimetre depth,30 centimetre breadth and at a radius of 1-1.75 meter  away from the main trunk.