Question: asking about the premature nut drop in coconut and arecanut tree.
Answer: advised him to apply urea 750 gm, ssp 1250 gm, mop 800 gm, borax 25 gm per plant during october  in a ring prepared at a distance of 1 metre away from the base of the plant. in areca nut apply urea 140 gm, ssp 180 gm, mop 80-100 gm, borax 25 gm per plant during october   in a ring prepared at a distance of 50 cm away from the base of the plant.again apply same amount during march/april also.