questions: asking about the control measure to control immature nut 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.fertililizer should be applied in two equal split doses twice in a year to a trench of 30cm. width,15cm. depth with a radius of 1-1.75 meter away from the main trunk.