questions: asking control immature fruit drop in coconut tree 
 answers: apply urea @ 1.5 kg,ssp @2.5 kg,mop @ 1.75 kg,borax @ 25 gram,fym @15 kg.fertilizer should be applied in two equal halves twice in a year to a trench of 10-12 cm depth and 30 cm breadth with a radius of 1.5 metre away from the main trunk