Question: asking about the fertilizer dose of coconut tree. 
(3years  old)
Answer: advised him to aplly fertilizers @ urea 900 gm, ssp 1.5 kg, mop 1 kg , borax 50 gm,  per plant alongwith cowdung or compost 10kg. divide the amount into two parts and apply during march/april and october/november in ring method.