Browsing by Author "ISLAM, NAYEMUL"

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    INFLUENCE OF INTEGRATED FERTILIZER MANAGEMENT ON THE GROWTH AND YIELD OF AUS RICE
    (DEPARTMENT OF AGRONOMY, 2020) ISLAM, NAYEMUL
    A field experiment was conducted at the Sher-e-Bangla Agricultural University, Dhaka, Bangladesh during March, 2019 to July, 2019 in aus rice season with a view to study the growth and yield variations in aus rice as influenced by integrated fertilization. The treatments consist of two rice varieties namely V 1 = BRRI dhan48 and V 2 = BRRI dhan82 and seven fertilization levels as T 1 = 100% RDF (Recommended dose of fertilizers) (148 kg N ha ii -1 + 52 kg P ha + 74 kg K ha -1 ), T 2 = Poultry manure (10 t ha -1 ), T 3 = Vermicompost (4 t ha = Compost (5 t ha -1 ), T 5 = Poultry manure @ 10 t ha -1 -1 -1 ), T 4 + 50% RDF, T 6 = Vermicompost @ 4 t ha -1 + 50% RDF, T 7 = Compost @ 5 t ha + 50% RDF. The experiment was carried out in split plot design with three replications. Results revealed that BRRI dhan48 was superior to BRRI dhan82 in respect of different parameters. Treatment T 5 gave significantly highest grain yield. In case of combined effect, BRRI dhan48 with V 1 T 5 registered significantly maximum total tillers hill –1 (21.04), leaves hill –1 -1 (95.57), above ground weight plant (48.11 g), effective tillers hill –1 (20.00), longest panicle (27.94 cm), highest filled grains panicle –1 (139.67), 1000 grain weight (26.37 g), grain yield (4.88 t ha ), straw yield (5.93 t ha -1 ) and biological yield (10.81 t ha -1 ). In respect of grain yield V 1 T 1 was (4.61 t ha -1 ). It may be advocated that Poultry manure @ 10 t ha -1 + 50% RDF was found to be the best for achieving maximum yield from variety BRRI dhan48.