questions: asking about the control measure to control flower drop problem of coconut. 
 answers: suggested to apply recommended fertlizer dose like-urea@1.5kg/plant,ssp@2.5kg/plant,mop@1.75kg/plant,borax@25 gram/plant and also to spray planofix@1 teaspoonful/20 liters of water one week after flowering.fertilizer should be applied in two equal split doses twice in a year.