作者: Md. Jahangir Alam , Mst. Shamsun Naher , Md. Abdul Wadud , Abu Hena Faisal Fahim , Rumpa Sarker
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摘要: The experiment was conducted at Spices Research Centre, Shibganj, Bogra, Bangladesh during kharif season 2013-14 and continued in 2014-15 to determine optimum dose of N, P K combination with organic & inorganic source assess the effect on yield quality betel leaf. land medium high soil silty loam texture. laid out a Randomized Complete Block Design (RCBD) three replications. Different fertilizer doses viz. N = 0, 50, 100, 150 kg ha-1, 22, 44 ha-1 K= 21, 42 were considered as treatment. treatment combinations T1 N0P0K0, T2 N0P22K21, T3 N50P22K21, T4 N100P22K21, T5 N150P22K21, T6 N150P44K21, T7 N150P44K42, T8 N100P0K21, T9 N100P44K21, T10 N100P22K0 T11 N100P22K42. total amount per top dressed 8 equal splits 45 days’ interval. sources 50% from Urea mustard oil cake. Betel leaf advanced line BL-018 used test crop. highest (59000 bira 142200 2014-15) obtained N100P22K42 which identical N100P44K21 (55370 123500 N100P22K21 (51590 120600 2014-15). lowest (26030 57090 recorded N0P0K0 (1 bira= 80 leaves). It concluded that N100P22K42, ha-1may be good alternative for cultivation where supplied urea Among them ha-1would best due less disease infestation, higher productivity economic return.