Didar-ul-Alam, M. 2008. “The Effect of Amount on Release of NH<sub>4</sub> and NO<sub>3</Sub>-N in the Soil at Two Harvests of Nitrogen through Five BGA Species and N-Fertilizers in Rice Growing Plant”. Bangladesh Journal of Scientific and Industrial Research 43 (3):427-32. https://doi.org/10.3329/bjsir.v43i3.1160.