Question: asking about the fertilizer dose of coconut tree 
( 15 years old).
Answer: advised him to apply urea 750 gm, ssp 1200 gm, mop 700 gm , borax 25 gm, compost 10 kg per plant in a ring prepared at a distance of 1 metre away from the base of the plant. again apply the same amount during march/april .