Question: query regarding less production in cocoonut plant. 
Answer: please apply recommended doses of fertilizer- urea 1.2 kg, super 2kg, potash 2 kg, compost 10 kg and borax 50 gram per plant, apply these fertilizer in two equal split dose. one part should be apply in the month of april/may or june/ july and another part should be apply in the month of september/october or december/ january in ring method 2miter away from the plant and cover with surface soil.