Question: asking about the control measure to control immature fruit drop problem of coconut.
Answer: suggested to apply recommended fertlizer dose like-urea@1.5 kilogram/plant,ssp@2.5 kilogram/plant,mop@1.75 kilogram/plant,borax@25 gram/plant.fertlizer 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.