American Journal of Agriculture and Forestry

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Nitrogen Fertilizer Rate and Time of Application Affected Yield and Quality of Turmeric (Curcuma longa L.) at Tepi, Southwestern Ethiopia

Received: 06 May 2019    Accepted: 24 June 2019    Published: 04 July 2019
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Abstract

Turmeric is one of the most widely grown spice crop in southwestern part of Ethiopia. However, the yield and quality of this crop is low due to many factors. In 2016/2017 main cropping season, an experiment was conducted to determine the effects of nitrogen rate and time of application on yield and quality of turmeric at Tepi. The study consists of five nitrogen rates (0, 46, 69, 92, 115 kg ha-1) and five split applications time (full dose at emergence, half at emergence + half at lag growth stage, 1/3rd at emergence + 1/3rd at lag growth stage + 1/3rd at tillering stage, 1/4th at emergence + 1/4th at lag growth stage + 1/4th at tillering stage + 1/4th at slow growth stage, and 1/5th at emergence + 1/5th at lag growth stage + 1/5th at tillering stage + 1/5th at slow growth stage + 1/5th at maturity stage ). A split plot design with three replications was used by assigning nitrogen rate as main plot factor while time of application as sub-plot factor. The result revealed that mother and finger rhizome number, mother and finger rhizome weight, fresh rhizome yield and oleoresin content were significantly affected by the interaction effects of nitrogen rate and time of application. The highest value for the variables measured was recorded at three equal split application of 115 kg N ha-1 (1/3rd at emergence + 1/3rd at lag growth stage + 1/3rd at tillering stage). Three times split application of nitrogen produced more yield and better quality as compared to the two times of application in turmeric; the most commonly known time of nitrogen application in many crops. Therefore, turmeric producer in southwestern Ethiopia should apply 115 kg N ha-1 nitrogen in three times split application to maximize their turmeric yield and quality.

DOI 10.11648/j.ajaf.20190704.11
Published in American Journal of Agriculture and Forestry (Volume 7, Issue 4, July 2019)
Page(s) 126-132
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Oleoresin Content, Rhizome Yield, Split Application, Nitrogen Rate

References
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[8] Ravindran P, Ravindran K, Nirmal B, Sivaraman K, 2007: Turmeric: the genus Curcuma; Medicinal and aromatic plants-industrial profiles. Pp234-236. CRC Press, Taylor & Francis Group Boca Raton, FL.
[9] Saifudeen N, 1981. Foliar diagnosis, yield and quality of turmeric (Curcuma longa L.) in relation to N, P and K. MSc Thesis. Kerala Agricultural University, Thrissur, Kerala, India.
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[17] Hikaru A, Amzad H, Yukio I, Kenichi Y, Kazuo H, Yukikazu I, Yoko A, 2007. Effects of application of N, P and K alone or in combination on growth, yield and curcumin content of turmeric (Curcuma longa L.). Plant Production Science, 10 (1), 151-154.
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Author Information
  • Tepi National Spices Research Center, Tepi, Ethiopia

  • Jimma University College of Agriculture and Veterinary Medicine, Jimma, Ethiopia

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    Behailu Mekonnen, Weyessa Garedew. (2019). Nitrogen Fertilizer Rate and Time of Application Affected Yield and Quality of Turmeric (Curcuma longa L.) at Tepi, Southwestern Ethiopia. American Journal of Agriculture and Forestry, 7(4), 126-132. https://doi.org/10.11648/j.ajaf.20190704.11

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    Behailu Mekonnen; Weyessa Garedew. Nitrogen Fertilizer Rate and Time of Application Affected Yield and Quality of Turmeric (Curcuma longa L.) at Tepi, Southwestern Ethiopia. Am. J. Agric. For. 2019, 7(4), 126-132. doi: 10.11648/j.ajaf.20190704.11

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    AMA Style

    Behailu Mekonnen, Weyessa Garedew. Nitrogen Fertilizer Rate and Time of Application Affected Yield and Quality of Turmeric (Curcuma longa L.) at Tepi, Southwestern Ethiopia. Am J Agric For. 2019;7(4):126-132. doi: 10.11648/j.ajaf.20190704.11

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  • @article{10.11648/j.ajaf.20190704.11,
      author = {Behailu Mekonnen and Weyessa Garedew},
      title = {Nitrogen Fertilizer Rate and Time of Application Affected Yield and Quality of Turmeric (Curcuma longa L.) at Tepi, Southwestern Ethiopia},
      journal = {American Journal of Agriculture and Forestry},
      volume = {7},
      number = {4},
      pages = {126-132},
      doi = {10.11648/j.ajaf.20190704.11},
      url = {https://doi.org/10.11648/j.ajaf.20190704.11},
      eprint = {https://download.sciencepg.com/pdf/10.11648.j.ajaf.20190704.11},
      abstract = {Turmeric is one of the most widely grown spice crop in southwestern part of Ethiopia. However, the yield and quality of this crop is low due to many factors. In 2016/2017 main cropping season, an experiment was conducted to determine the effects of nitrogen rate and time of application on yield and quality of turmeric at Tepi. The study consists of five nitrogen rates (0, 46, 69, 92, 115 kg ha-1) and five split applications time (full dose at emergence, half at emergence + half at lag growth stage, 1/3rd at emergence + 1/3rd at lag growth stage + 1/3rd at tillering stage, 1/4th at emergence + 1/4th at lag growth stage + 1/4th at tillering stage + 1/4th at slow growth stage, and 1/5th at emergence + 1/5th at lag growth stage + 1/5th at tillering stage + 1/5th at slow growth stage + 1/5th at maturity stage ). A split plot design with three replications was used by assigning nitrogen rate as main plot factor while time of application as sub-plot factor. The result revealed that mother and finger rhizome number, mother and finger rhizome weight, fresh rhizome yield and oleoresin content were significantly affected by the interaction effects of nitrogen rate and time of application. The highest value for the variables measured was recorded at three equal split application of 115 kg N ha-1 (1/3rd at emergence + 1/3rd at lag growth stage + 1/3rd at tillering stage). Three times split application of nitrogen produced more yield and better quality as compared to the two times of application in turmeric; the most commonly known time of nitrogen application in many crops. Therefore, turmeric producer in southwestern Ethiopia should apply 115 kg N ha-1 nitrogen in three times split application to maximize their turmeric yield and quality.},
     year = {2019}
    }
    

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  • TY  - JOUR
    T1  - Nitrogen Fertilizer Rate and Time of Application Affected Yield and Quality of Turmeric (Curcuma longa L.) at Tepi, Southwestern Ethiopia
    AU  - Behailu Mekonnen
    AU  - Weyessa Garedew
    Y1  - 2019/07/04
    PY  - 2019
    N1  - https://doi.org/10.11648/j.ajaf.20190704.11
    DO  - 10.11648/j.ajaf.20190704.11
    T2  - American Journal of Agriculture and Forestry
    JF  - American Journal of Agriculture and Forestry
    JO  - American Journal of Agriculture and Forestry
    SP  - 126
    EP  - 132
    PB  - Science Publishing Group
    SN  - 2330-8591
    UR  - https://doi.org/10.11648/j.ajaf.20190704.11
    AB  - Turmeric is one of the most widely grown spice crop in southwestern part of Ethiopia. However, the yield and quality of this crop is low due to many factors. In 2016/2017 main cropping season, an experiment was conducted to determine the effects of nitrogen rate and time of application on yield and quality of turmeric at Tepi. The study consists of five nitrogen rates (0, 46, 69, 92, 115 kg ha-1) and five split applications time (full dose at emergence, half at emergence + half at lag growth stage, 1/3rd at emergence + 1/3rd at lag growth stage + 1/3rd at tillering stage, 1/4th at emergence + 1/4th at lag growth stage + 1/4th at tillering stage + 1/4th at slow growth stage, and 1/5th at emergence + 1/5th at lag growth stage + 1/5th at tillering stage + 1/5th at slow growth stage + 1/5th at maturity stage ). A split plot design with three replications was used by assigning nitrogen rate as main plot factor while time of application as sub-plot factor. The result revealed that mother and finger rhizome number, mother and finger rhizome weight, fresh rhizome yield and oleoresin content were significantly affected by the interaction effects of nitrogen rate and time of application. The highest value for the variables measured was recorded at three equal split application of 115 kg N ha-1 (1/3rd at emergence + 1/3rd at lag growth stage + 1/3rd at tillering stage). Three times split application of nitrogen produced more yield and better quality as compared to the two times of application in turmeric; the most commonly known time of nitrogen application in many crops. Therefore, turmeric producer in southwestern Ethiopia should apply 115 kg N ha-1 nitrogen in three times split application to maximize their turmeric yield and quality.
    VL  - 7
    IS  - 4
    ER  - 

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