You have asked about applying the fertiliser to teak trees.Kindly intimate the height of the trees.And also remove all branches by pruning .this also gives good effect for improve the girth in small level.Generaly you will apply well ripped farmyard manure in excavated trenchs around the tree and pour water around the tree .Kindly do it .
Fertilizers may be applied at
30-40 g N,
15-20 g P2O5 and
15-20 g K2O per plant per year from the second year to the fifth year and thereafter once in three to four years for 10-12 years.