alexa Nitrogen Uptake and Use Efficiency of Irrigated Bread Wheat (<em>Triticum aestivum</em> L.) as Influenced by Seed and Nitrogen Fertilizer Rates at Werer, Afar National Regional State, Ethiopia| Abstract
ISSN: 2329-8863

Advances in Crop Science and Technology
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  • Research Article   
  • Adv Crop Sci Tech 2019, Vol 7(1): 418
  • DOI: 10.4172/2329-8863.1000418

Nitrogen Uptake and Use Efficiency of Irrigated Bread Wheat (Triticum aestivum L.) as Influenced by Seed and Nitrogen Fertilizer Rates at Werer, Afar National Regional State, Ethiopia

Birke Bahiru1, Habtamu Ashagre2* and Mihratu Amanuel3
1Department of Plant Sciences, College of Dry Land Agriculture, Samara University, Ethiopia
2Department of Plant Sciences, College of Agriculture and Veterinary Sciences, Ambo University, Ethiopia
3Werer Agricultural Research Center, Ethiopian Institute of Agricultural Research, Werer, Ethiopia
*Corresponding Author : Habtamu Ashagre, Department of Plant Sciences, College of Agriculture and Veterinary Sciences, Ambo University, Ethiopia, Tel: +2348034611994, Email: [email protected]

Received Date: Nov 09, 2018 / Accepted Date: Jan 30, 2019 / Published Date: Feb 11, 2019

Abstract

An offseason field experiment was conducted in 2015-2016 at Werer Agricultural Research Center Middle Awash, Afar regional state to determine N-uptake and use efficiency of irrigated bread wheat (Triticum aestivum L.) as influenced by seed and nitrogen fertilizer rates. The experiment was laid down in a randomized complete block design (RCBD) with three replications. The treatments were factorial combination of five nitrogen levels (0, 23, 46, 69, and 92 kgNha-1) with four seed rates (75, 100, 125, and 150 kgha-1). The results of the study showed that both main and interaction effect of nitrogen and seed rates significantly affect N concentrations of the grain and straw, N-uptake, apparent nitrogen recovery, agronomic and physiological efficiencies, nitrogen use efficiency, grain protein content, and N harvest index. The apparent recovery, agronomic and physiological efficiencies and nitrogen use efficiencies decreased with increasing N-rate. Concentration of N and total nitrogen uptake in straw and grain, grain protein and NHI were increased as the N rate increased, while decreased with the increment of seed rate. In conclusion, rate of nitrogen fertilizer applied and seed rate affect the N-uptake and N-use efficiencies.

Keywords: Seed rate; Nitrogen rate; Nitrogen uptake; Nitrogen use efficiency; Wheat

Citation: Bahiru B, Ashagre H, Amanuel M (2019) Nitrogen Uptake and Use Efficiency of Irrigated Bread Wheat (Triticum aestivum L.) as Influenced by Seed and Nitrogen Fertilizer Rates at Werer, Afar National Regional State, Ethiopia. Adv Crop Sci Tech 7: 418. Doi: 10.4172/2329-8863.1000418

Copyright: © 2019 Bahiru B, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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