Int. J. Biosci.12( 6), 220-224, June 2018
A field experiment was carried out at the field laboratory of Department of Agronomy, Sher-e-Bangla Agricultural University, Dhaka during the period from 6thNovember / 2009 to 10th February / 2010 to assess the feasibility of using Urea Super Granule (USG) over normal urea in up land crop, like mustard. The experiment was laid out in a Split plot Design with 3 replications. There were a total of 36 unit plots. The size of the unit plot was 4.25 × 2.5m. There were two factors, viz. Factor 1.USG point placement and factor 2.Variety (BARI Sarisha 11, BARI sarisha-13 and BARI sarisha-14). The treatments were, T1= Normal urea, T2 = USG as basal, T3 = USG at 15 DAE (Days after emergence) and T4 = USG at 25 DAE (Days after emergence). The effect of different management of nitrogenous fertilizer was studied on growth, yield and yield attributing characters of mustard. The analysis revealed that the growth, yield and yield attributes of the cultivars were significantly influenced by USG with a few exceptions. Plant height, number of branches plant-1, number of leaves plant-1, leaf area plant-1, total dry matter, number of siliqua plant-1, siliqua length, number of seed siliqua-1, 1000-seed weight, and seed yield were found highest when USG was applied as basal dose and all the characters showed lowest value when USG was applied at 25 DAE.
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