Maniruzzaman, M., Alam, M.R., Islam, M., Islam, M., Molla, M. and Islam, M. 2020. Effect of Soil Test Based Fertilizer Package for Yield and Economic Return of Lentil + Mustard Mixed Cropping System In Charland of Pabna. Bangladesh Agronomy Journal. 22, 1 (Jan. 2020), 1–6. DOI:https://doi.org/10.3329/baj.v22i1.44925.