What is the fertilizer requirement for mango?

Mango should be manured with phosphorus twice in a year. Usually fertilizers (N and K) are applied in split doses in the month of June-July, September, October, January-February and March-April. For adult trees (10 years or above)1,000g N, 75g P2O5, 75g K2O and 100 kg FYM per year should be applied. Application of micronutrients such
as Zinc and Boron help in cell elongation process.