questions: asking about the fertilizer requirement of arecanut tree
(more than 5 years old) 
 answers: avised him to apply fertilizers @ urea 225 gm., ssp 250 gm., mop 275 gm. borax 50 gm. alongwith  compost or cowdung 10-15 kg per plant . divide the whole amount into two parts and apply during march/april and october/november.