Asian J. Crop. Soil Plan. Nutri. | Volume 08, Issue 01, 000-000 | https://doi.org/10.18801/ajcsp.080123.36 Article type: Research article | Received: 00.00.2023; Revised: 00.00.2023; First published online: 00 June 2023.
Effect of different doses of urea on growth and yield performance of T. Aus rice
Mithila Afroge 1, Kazi A.A. Matin Masum 1, Muhammad Asif Osman 1, Kawsar Hossen 1, Tahmina Ferdous 2 and Rayhan Ahmed 1 1 Department of Agriculture, Noakhali Science and Technology University, Noakhali-3814, Bangladesh. 2 Department of Agricultural Economics, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, Bangladesh.
Abstract This experiment was executed from April to August 2019 in the Field laboratory of Department of Agriculture at Noakhali Science & Technology University to ascertain the effect of different doses of urea fertiliser on growth and yield attributes of transplanted Aus rice. The experiment was conducted with 4 urea doses viz. 90 kg ha-1, 120 kg ha-1, 150 kg ha-1 and 180 kg ha-1 using two Aus rice varieties viz. BRRI dhan83 and BRRI dhan65. The experiment was planned with RCBD design using three replications. In between two varieties, the maximum plant length (100.08 cm), number of grains per panicle (123.86), thousand grains weight (26.33 gm), grain yield (3.86 t ha-1) and the highest harvest index (38.29 %) were obtained from BRRI dhan83 where the maximum number of tillers per hill (25.51) and the highest straw yield (6.37 t ha-1) were obtained from BRRI dhan65. BRRI dhan83 gave promising grain yield in this experiment though grain quality and price of BRRI dhan65 is better than BRRI dhan83. Among urea doses, the highest plant length (96.22 cm), total no. of tillers per hill (24.79), sterile grains per panicle (22.09), thousand grains weight (25.43 gm), straw yield (7.26 t ha-1) were found from 180 kg urea ha-1. The maximum grain yield (3.78 t ha-1) was also found from 180 kg urea ha-1 but it was found statistically identical with 150 kg urea ha-1 where the lowest grain yield (2.95 t ha-1) was observed at the minimum dose of urea (90 kg ha-1). Surprisingly the highest harvest index (37 %) was noticed in 120 kg urea ha-1. This experiment revealed that increasing dose of urea gradually increases plant vegetative growth, straw yield along with grain yield, but the application of urea above its optimum dose can cause fertiliser loss and wouldn’t give satisfactory economic return also, it may affect adversely on growth and yield attributes of rice after exceeding a critical limit. From the result, it can be said that 150 kg urea ha-1 would be the most suitable dose for T. aus rice as the desired yield obtained at a lower cost of urea.
Key Words: Aus rice, BRRI dhan83, BRRI dhan65, Doses of urea and Nitrogen dose.
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MLA Afroge, M. et al. “Effect of different doses of urea on growth and yield performance of T. Aus rice”. Asian Journal of Crop, Soil Science and Plant Nutrition, 07(02), (2022): 286-292.
APA Afroge, M., Masum, K. A. A. M., Osman, M. A., Hossen, K., Ferdous, T. and Ahmed, R. (2022). Effect of different doses of urea on growth and yield performance of T. Aus rice. Asian Journal of Crop, Soil Science and Plant Nutrition, 07(02), 286-292.
Chicago Afroge, M., Masum, K. A. A. M., Osman, M. A., Hossen, K., Ferdous, T. and Ahmed, R. “Effect of different doses of urea on growth and yield performance of T. Aus rice”. Asian Journal of Crop, Soil Science and Plant Nutrition, 07(02), (2022): 286-292.
Harvard Afroge, M., Masum, K. A. A. M., Osman, M. A., Hossen, K., Ferdous, T. and Ahmed, R. 2022. Effect of different doses of urea on growth and yield performance of T. Aus rice. Asian Journal of Crop, Soil Science and Plant Nutrition, 07(02), pp. 286-292.
Vancouver Afroge, M, Masum, KAAM, Osman, MA, Hossen, K, Ferdous, T and Ahmed, R. Effect of different doses of urea on growth and yield performance of T. Aus rice. Asian Journal of Crop, Soil Science and Plant Nutrition, 2022 December 07(02), 286-292.
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