questions: asking for the fertilizers doses to be applied in the 4th year stage of arecanut trees along with the procedure of application. 
 answers: 198, 250, 233 and 8000 grams of urea, ssp, mop and fym have been suggested to apply in two equal split doses along with 25 grams of borax per application. to be applied once in march-april & the other part in sep-oct in the trench method of application.