questions: asking about nutrient management in coconut and arecanut. 
 answers: recommended to apply 600 g urea, 1 kg ssp, 700 g mop, 40 g borax and 100 g coconut special per plant per year in ring method.
for arecanut- 130 g urea, 187.5 g ssp, 167 g mop and 20 g borax per year per plant in ring method.