questions: asking about the control measure to control fruit drop problem of coconut. 
 answers: suggested to apply recommended fertilizer dose like-urea@1.5 kilogram/plant,ssp@2.5 kilogram/plant,mop@1.75 kilogram/plant,borax@25 gram/plant and also to apply planofix@1tsf/20 liters of water.fertilizer should be apply in two equal split doses twice in a year to a trench of 30 cm width and 10 cm depth at a radius of 1-1.75m away from the main trunk.