EFFECT OF SOWING TIME AND NITROGEN ON THE GROWTh AND YIELD OF FRENCH BEAN (Phaseolus vulgaris L.)

Abstract

The experiment was conducted to investigate the effect of sowing time and nitrogen Of) the growth and yield of French bean (IJARI Zhar Sheern-!) at the Ilimi of Sher-e-Bangla Agricultural University. Dhaka during the period of November. 2006 to March, 2007. The experiment included two Ihetors: Factor A: Four sowing time (T 1 l5 November, 'F 2 -30 November, T 3 =l5 December and 1 4 30 December) and Factor B: Four nitrogen level (N 0 =0 Kg N/ha, N1 -45 kg N/ha. N 2=-90 kg N/ha and N 3 135 kg N/ha). The experiment was laid out in Randomized Complete Block Design (RCBD) with three replications. In case of sowing time. T 1 give highest yield of green pod (15.6 t!ha) and lowest (11.3 r/ha) was from 1 4 . Incase ol nitrogen. N 2 produced the lughesi yield (15.7 t/ha) and lowest (9.8 IJha) was from N o . For combined effect l' 1 N, give the highest yield (17.9 tlha) and lowest (8.4 tJha) was from l. 1 N0 . On the basis of economic analysis the highest net return (TK. 1,70,023 /lla) and the highest benefit cost ratio (2.7) were obtained lioni the treatment combination of T 1 N7 . It may be concluded that 15 November sowing with 90 kg N/ha is best for growth and yield of french bean.