Barman, A. et al. 2020. Fertilizer Recommendation for Four Crop Based Cropping Pattern: Potato- Boro- T. Aus-T. Aman Under AEZ – 11. Bangladesh Agronomy Journal. 22, 1 (Jan. 2020), 71–78. DOI:https://doi.org/10.3329/baj.v22i1.44938.