questions: asking about the control measure to control flower drop problem of coconut 
 answers: suggested to apply recommended fertilizer dose like-urea@1.5 kilogram/plant,ssp@2.5kilogram/plant,mop@1.75 kilogram/plant,borax@25 gram/plant.fertilizer should be applied  in two equal split doses twice in a year to a trench of 30cm.width,15cm.depth at a radius of 1-1.75 meter away from the main trunk.