Question: asking for the fertilizer dosage per tree  to be applied in the 4th year stage in coconut.
Answer: 1200 grams of urea, 2 kilo grams of ssp, 1.4 kilo grams of mop and 25 grams of borax have been suggested to be applied in two equal split doses per tree in trench method of application. one half to be applied in sep-oct and the other half to be applied in mar-apr at a radius of 3 foot away from the trunk of the tree.