Question: asking about fertilizer requirement for coconut.
Answer: -- please use the recommended doses for coconut- urea- 1200 gram, super 2 kg, potash 2 kg and borax 50 gram per plant  in two equal split dose once in the month of october/november and once in the month of march/april in ring method 15-20 cm depth, 1.5 meter away from the plant. if you notice any kind of fungal disease then use hexaconazole 10ml/liter or blitox 50 3 gram/liter of water, apply near the root zone and also spray in the affected plant part also.