questions: asking about the fertilizer dose of arecanut tree.(10 years old). 
 answers: advised him to apply urea 120 gm. ,ssp 240 gm., mop 100 gm. compost 4-5 kg., borax 25 gm. per plant during september/october in a ring prepared at a distance of 2 feet away from the base of the plant.again apply same amount in march/april.