Question: asking about the control measure to control flower drop problem in coconut at the age of 3 years.
Answer: suggested to apply recommended fertilizer like-urea@900 gram/plant,ssp@1.5 kilogram/plant,mop@1050 gram/plant,borax@25gram/plant.fertilizer should be applied in two equal halves twice in a year to a trench of 10-12 centimeter depth,30 centimeter breadth with a radius of 1-1.75 meter  away from the main trunk.