Bandyopadhyay, PK, et al. “Effect of Balanced Fertilization in Puddled Rice on the Productivity of Lentil in Rice-Fallow System Under Zero Tillage”. Bangladesh Agronomy Journal, vol. 19, no. 1, Oct. 2016, pp. 67-79, doi:10.3329/baj.v19i1.29872.