Question: query regarding absence of fruit setting on coconut. 
Answer: please apply recomended doses of fertilizer-urea 1.2 kg, phosphorus 2kg, potash 2 kg and borax 25-30 gram along with coconut special 100 gram per plant in ring method 1.5 to 2 mete away from the plant. after doing all these if not recover than please contact with dr. dhirendra nath kalita head of the krishi vigyan kendra kamrup.