Response of Applied Nitrogen Fertilizer and Seeding Rate on yield and yield Components of Ethiopian Mustard (Brassica Carinata) in the Central Highlands of Ethiopia

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Year:
2017
Type of Publication:
Article
Keywords:
Ethiopian Mustard, Nitrogen Rate, Nitrogenuse Efficiency, Seed Rate
Authors:
Chala, Girma; Tesfaye, Misteru
Journal:
IJRAS
Volume:
4
Number:
5
Pages:
246-250
Month:
September
ISSN:
2348-3997
Abstract:
The experiment was aimed at determining the response of nitrogen and seed rate on yield and yield components of Ethiopian mustard (Brassica carinata). The treatments consisted of four nitrogen levels (0, 23, 46 and 69 kg ha-1) with six levels of seed rate (2, 3, 4, 5, 6 and 7 kg ha-1). The experiment was laid out as a randomized complete block design in a factorial arrangement and replicated three times. Analysis of the results revealed that the main effects of nitrogen and seed rates significantly affected grain and biomass yield Ethiopian mustard. The highest Ethiopian mustard grain yield (3003.8 kg ha-1) and biomass yield (842.77 ton ha-1) were obtained from the applications of nitrogen and phosphorus rates (69 kg N ha-1 and 30 kg P ha-1 in the form of triple superphosphate respectively) and 5 kg ha-1 seed rate followed by 2688.7 kg ha-1and 694.08 ton ha-1for grain yield and biomass yield, respectively, due to the application of nitrogen and phosphorus rates (46 kg N ha-1 and 30 kg P ha-1 respectively) and 5 kg ha-1 seed rate. The result also showed that the highest marginal rate of return was obtained from application of nitrogen and phosphorus rates (69 kg N ha-1 and 30 kg P ha-1 respectively) and 5 kg ha-1 seed rate, which is economically the most feasible alternative on nitisols of central Ethiopian highlands
Full text: IJRAS_593_FINAL.pdf

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