The field experiment was carried out during the period from July to November, 2013 at the research farm of Sher-e-Bangla Agricultural University, Dhaka, Bangladesh to investigate the influence of nitrogen and phosphorus on the growth and yield of BRRI dhan57. The two factorial experiments were laid out in a Randomized Complete Block Design (RCBD) with three replications. Four levels of nitrogen N0: 0 kg N ha ) and treatment combination N2P2 (120 kg N and 35 kg P ha -1 ) whereas, the treatments N0, P0 and treatment combination N0P0 (without N and P) showed the smallest plant height in each case, respectively. Side by side, N2, P2 treatments and N2P2 treatment combination gave the maximum effective tillers hill -1 , highest length of panicle and the maximum filled grains panicle -1 . The highest 1000 grain weight (20.85 g), grain yield (4.95 t ha -1 ), straw yield (5.39 t ha -1 ) and biological yield (10.34 t ha -1 ) were found in the treatment combination N2P2 and also found highest in each individual under N2 and P2 treatments.
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