Question: query regarding management of fruit cracking and droping in coconut. 
Answer: please apply clean the plant properly near the fruit bearing zone and spray hexaconazole 10 ml per liter of water or blitox 3 gram per liter of water 3times at 15 days interval. the recommended doses of fertilizer 2 times in 2 equal split doses per year- urea 1200 gram, super 2 kg, potash 2 kg and borax 50 gram in a ring method 1.5 meter away from the plant in the month of march/april and another half dose should be apply in the month of september / october.