Question: asking about the fertilizer dose of coconut tree. 
( 10-12 years old).
Answer: advised him to apply urea 750 gm, ssp 1250 gm, mop 800 g,. borax 25 gm, compost 10-15 kg per plant in ring prepared at a distance of 1 metre away from the base of the plant. again apply same amount during march/april also.