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EFFECT OF NUMBER OF SEEDLING HILL-1 AND NITROGEN LEVEL ON GROWTH AND YIELD OF BRRI dhan32 (Pages : 1 - 7)
M.H. RAHMAN, M. M. KHATUN, M. A. A. MAMUN, M. Z. ISLAM AND M. R. ISLAMAn experiment was conducted at the Agronomy Field Laboratory of Bangladesh Agricultural University, Mymensingh during, T. aman season 2002, to investigate the effect of number of seedling hill -1 and nitrogen level on growth and yield component of BRRI dhan32.The treatments were the variation numbers of seedling hill -1 viz., 1, 2, 3 and 4 seedling hill -1 and four levels of nitrogen viz; 0, 60, 80 and 100 kg N ha- 1 . Number of seedlings hill -1 significantly influenced growth and yield components except 1000-grain weight. It was found that the highest number of grains panicle-1 (100.92) and grain yield (5.37 t ha-1 ) were resulted from transplanting of 3 seedlings hill -1 and the lowest grain yield (4.38 t ha-1 ) was obtain from the transplanting of 1 seedling hill -1 . The highest straw yield (7.02 t ha-1 ) was obtain from the transplanting of 4 seedlings hill -1 and the lowest one (5.64 t ha-1 ) from the transplanting of 1 seedling hill -1 . Nitrogen level significantly influenced growth and yield components. The maximum grains panicle-1 (100.80) and highest grain yield (5.34 t ha-1 ) were obtained with 80 kg N ha-1 . The highest straw yield (6.98 t ha-1 ) was obtained at the highest nitrogen level (100 kg N ha-1 ). Result showed that 3 seedlings hill -1 and 80 kg N ha-1 was optimum to produced maximum yield of BRRI dhan32. Download