questions: asking about the control measure to control immature fruit drop problem of coconut plant 
 answers: advised first to maintain drainage system and 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.the fertilizer should be applied  in two equal split doses twice in a year to a trench of 30 cm.width and 10 cm.depth at a radious of 1-1.75 meter away from the trunk.