questions: asking about the fertilizer dose of coconut tree.
(more than 13 years old) 
 answers: advised him to apply feretilizers like urea 1.5 kg, ssp 2.5 kg mop 1.7 kg, borax 50 gm, alongwith compost 10-15 kg per plant. divide the amount into two parts and apply during march/april, and october/november in ring method. prepare ring of 15 cm. depth and 15 cm. width at a distance of 1 metre away from the base of the tree .