Question: query regarding management of leaf blight disease and premature fruit droping of coconut. 
Answer: please remove the severely infected leaves from the plant and clean the fruits occuring region and then spray hexaconazole 10ml/liter of water or blitox-50 4 gram/liter of water in the leaves and also in the fruit setting region. same recommended doses of medicin should be apply in the root portion also.

apply the recommende doses of fertilizer 2 times/year, once in the month of september/october and once in the month of march april.

urea 600gram, ssp 1kg , potash 1 kg and borax 25 gram. apply the fertilizer 1.5 meter away from the plant in a ring by maintaining 15-2- cm depth, mix the whole fertilizer, apply into the ring and then cover with soil.