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A field experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh from July 2016 to December 2016 to find out the effect of seedlings age and different nitrogen (N) levels on the yield performance of transplant Aman rice (cv. Binadhan-15). The experiment comprised four ages of seedlings viz., 15 , 20 , 25, 30 day old and four levels of nitrogen viz., 0 ,55 , 75 and 95 kg N ha–1 following randomized complete block design (RCBD) with three replications. The effect of age of seedling, nitrogen levels and their interactions were significant on growth, yield and yield contributing characters of transplant Aman rice. The highest plant height at harvest (92.67 cm), number of effective tillers plant–1 (8.70), grain (4.55 t ha–1) and straw yields (5.49 t ha–1) were obtained from 75 kg N ha–1. By using optimum seedling age at 15 DAT the highest plant height (102.7cm at harvest), number of effective tillers plant–1 (8.29), grain (4.01 t ha–1) and straw (5.06 t ha–1) yields. In interaction, 75 kg N and 15 days old seedling produced highest plant height (106.3 cm at harvest), number of effective tillers plant–1 (9.42), grain (5.0 t ha–1) and straw yields (6.10 t ha–1). From the above results of the present study, it may be stated that Binadhan-15 is grown successfully for obtaining maximum yield with 75 kg N ha-1 and 15-day old seedling age individually or in combination.
Sarkar SK, Sarkar MAR, Islam N, Paul SK. Yield and quality of aromatic fine rice as affected by variety and nutrient management. Journal of Bangladesh Agriculture University. 2014;12(2):279-284.
BBS (Bangladesh Bureau of Statistics). Statistical year book of Bangladesh, Bureau of Statistics, Ministry of Planning, Government of the People's Republic of Bangladesh. Dhaka. 2011;3250.
Ginigaddara GAS, Ranamukhaarachchi SL. Study of age of seedlings at transplanting on growth dynamics and yield of rice under alternating flooding and suspension of irrigation of water management. Recent Research in Science and Technology. 2011;3(3):76-88.
Bozorgi HR, Faraji A, Danesh RK, Keshovarz A, Azarpour E, Tarighi F. Effect of plant density on yield and yield components of rice. World applied Science Journal. 2011;12(11):2053-2057.
Alam MZ, Ahmed M, Alam MS, Haque ME, Hossin MS. Performance of seedling ages and seedling raising techniques on yield and yield components of transplant Aman rice. Pakistan Journal of Biological Sciences. 2002;5(11):1214-1216.
Mobasser HR, Tari DB, Vojdani M, Abadi RS, Eftekhari A. Effect of seedling age and planting space on yield and yield components of rice. Asian Journal of Plant Science. 2007;6(2):4438-440.
Mishra A, Salokhe VM. Seedling characteristics and the early growth of transplanted rice under different water regimes. Experimental Agriculture. 2008;44(3):365–383.
Rasool RP, Singh S, Akhter S, Ramzan S. Seedling age and nitrogen application effect on dry matter accumulation, partitioning and nutrient status of rice under temperate conditions. Journal of Applied and Natural Science. 2016;8(2):743–746.
BRRI (Bangladesh Rice Research Institute). Annual Report for 1994. Bangladesh Rice Research Institute, Joydebpur, Gazipur. 1997;49.
Behera AK. Response of sented rice (Oryza sativa) to nitrogen under transplanted condition. Indian Journal of Agronomy, 1998;43(1):64-67.
Shen JH, Shao W, Zang W. Effects of sowing density, fertilizer amount in seedbed and seedling age on seedling quality and grain yield in paddy field for mechanical transplanting rice. Acta Agronomy Sinica. 2006;32(3):402–409.
Singh KN, Hassan B, Kanday BA, Bhat AK. Effect of nursery fertilization on seedling growth and yield of rice (Oryza sativa). Indian Journal of Agronomy. 2005;50:187-189.
Ali MY, Rahman MM, Haq MF. Effect of time of transplanting and age of seedling on the performance of late planted aman rice. Bangladesh Journal Science and Industrial Research. 1995;30(1):45-58.
Uddin MH. Effect of plant spacing and nitrogen levels on yield of transplanted Aman rice cv. BR39. MS Thesis, Department of Agronomy. Bangladesh Agricultural University, Mymensingh. 2003;16–44.
Gomez MA, Gomez AA. Statistical Procedures for Agricultural Research. John Willey and Sons. New York, Chichester, Brisbane, Toronto. 1984;97-129,207-215.
Razzaque, A.S.M.A., Islam, N., Karim, M.M. and Salim, M.(2000). Effect of NP fertilizers and seedling age in reducing field duration of transplant Aman rice. Progressive Agriculture, 11(1&2): 111–116.
Luna MA, Sarkar MAR, Uddin MR, Sarker UK. Effect of age of seedlings at staggered planting and nitrogen rate on the growth and yield of transplant Aman rice. Journal of Bangladesh Agricultural University. 2007;15(1):21–25.
Ros C, Bell RW, White PF. Seedling vigour and the early growth of transplanted rice (Oryza sativa). Plant and Soil. 2003;252:325–337.
Haider MR, Ali MI, Zaman SM, Islam AFSM. Yiled and yield attributes of rice as affected by N,P,K,S and Zn fertilization. Bangladesh Journal of Nuclear Agriculture. 1988;4:61-68.
Uddin S., Sarkar MAR, Rahman MM. Effect of nitrogen and potassium on yield of dry direct seeded rice cv. NERICA- 1 in Aus season. International Journal of Agronomy Plant Production. 2013;4(1):69–75.
Ray S, Sarkar MAR, Paul SK, Islam AKMM, Yeasmin S. Variation of growth, yield and protein content of transplant Aman rice by three agronomic practices. Agricultural and Biological Sciences Journal. 2015;1(4):167-176.