Abstract— The experiment was conducted at the Horticultural farm of Sher-e-Bangla Agricultural University, Dhaka, Bangladesh to investigate the influenced of yield and yield contributing characters of tuberose by the application of bulb and fertilizers. The experiment consisted of three bulb size viz., B1– small (1.0-1.5 cm ); B2– medium (1.6-2.5 cm) and B3– large (2.6-3.0 cm ) in diameter and different sources of fertilizers viz.,F0= control (no fertilizers ), F1– chemical fertilizers 330, 150 and 200 kg ha-1 of urea, TSP and MoP, respectively; F2– vermicompost 5 t ha-1; F3– poultry litter 10 t ha-1 and F4- cowdung 20 t ha-1. The experiment was laid out in a two factor Randomized Complete Block Design with three replications. The growth parameters as well as yield characters were greatly influenced by the application of poultry manure. In case of bulb size, the highest flower (12.45 t ha-1) and bulb (23.93 t ha-1) yield was recorded from B3 and the lowest flower (8.83 t ha-1) and bulb (12.94 t ha-1) yield was recorded from B1. In case of fertilizers, the highest flower (12.09 t ha-1) and bulb (21.36 t ha-1) yield was recorded from F3 and the lowest flower (7.95 t ha-1) and bulb (14.44 t ha-1) from F0. The maximum flower (14.19 t ha-1) and bulb (27.19 t ha-1) was found from the treatment combination of B3F3 and the minimum flower (6.16 t ha-1) and bulb (10.15 t ha-1) yield from B1F0. So, it may be concluded that large bulb size and 10 t ha-1 poultry litter is best for growth, bulb and flower production of tuberose.
Keywords— Bulb size, flower yield, organic farming, poultry manure, tuberose.
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