questions: asking about the fertilizer dose of coconut tree (4 years). 
 answers: advised him to apply urea 600 gm., ssp 1 kg., mop 700 gm., borax 50 gm., compost 5-6 kg per plant during september/october in ring preparaed at a distance of 3 feet away from the base of the plant.again apply same amount in ring during march/april.