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Growth and yield of transplanted Aman rice cv. Binadhan-16 as influenced by seedling age and nitrogen fertilization at staggered transplanting

Journal: Fundamental and Applied Agriculture (Vol.4, No. 2)

Publication Date:

Authors : ;

Page : 785-791

Keywords : Age of seedling; level of nitrogen; growth; yield; transplant aman rice;

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Abstract

An experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh during July to December 2016 to find out the effect of age of seedlings and level of nitrogen on the growth and yield of transplant Aman rice cv. Binadhan-16. The experiment comprised four ages of seedlings viz. 15, 20, 25 and 30-day old and four levels of nitrogen viz. 0, 50, 70 and 90 kg N ha-1. The experiment was laid out in a randomized complete block design (RCBD) with three replications. The results revealed that the effect of age of seedlings and level of nitrogen and their interaction was significant on yield and yield contributing characters of transplant Aman rice. The highest plant height and total dry matter production hill-1 were recorded in the treatment of 15-day old seedlings with 70 kg N ha-1. Grain yield gradually increased with the use of relatively younger seedlings and with 15-day old seedlings produced the highest values of effective tillers hill-1 (8.583), grains panicle-1 (122.7), grain yield (4.265 t ha-1) and straw yield (5.392 t ha-1). In case of level of nitrogen, 70 kg N ha-1 produced the highest grains panicle-1 (114.1), grain yield (4.539 t ha-1) and straw yield (5.623 t ha-1). In interaction, 15-day old seedlings with 70 kg N ha-1 produced the highest effective tillers hill-1 (9.71), grain yield (5.17 t ha-1) and straw yield (6.20 t ha-1). Therefore, 15-day old seedlings with 70 kg N ha-1 appeared as the promising technique to obtain the highest grain yield

Last modified: 2019-05-14 03:56:54