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Influence of Phosphorous and Nitrogen Fertilizer Rate on Grain Yield of Rice at Kamashi Zone of Benshal-gul Gumuz Region, Ethiopia

Received: 24 May 2016     Accepted: 13 June 2016     Published: 21 June 2016
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Abstract

The scientific information available with regards to the response of upland rice to N and P fertilizers for its optimum production on nitosols of Kamashi zone is very limited. Therefore, a field experiment was conducted on nitosols of Kamashi, western Ethiopia to study the yield and yield components response of rice and to establish the optimum N and P fertilizer levels required for improved grain yield of upland rice. Field experiments were conducted at Kamashi locations, for two years at this location, to investigate the response of rice N and P fertilization. Four levels of N (0, 46, 92, 138 kg ha-1) and four levels of P (0, 10, 20 and 30 kg ha-1) were studied in factorial combinations in a randomized complete block design with triplicates. The results revealed substantial responses of rice to the main factors of N and P fertilization on grain yield, No. of panicle/m2, No. of tiller/plant, No of tiller/m2, and plant height. Rice grain yield, No. of panicle/m2, No. of tiller/plant, No of tiller/m2, and plant height increased significantly with increasing level of P and N (P < 0.001). The effects of N by P interaction were non-significant (P ≤ 0.05) among the different yield and yield components studied except panicle length (p < 0.05) and straw yield (P < 0.01). Mean grain yield was significantly (P < 0.001) enhanced by 16.2% with the application of 10 kg P ha-1, 23.6% with application 20 kg P ha-1 and 34.6 with the application of 30 kg P ha-1 over zero-P (Table 2). High N at 138 kg ha-1 significantly (P < 0.001) increased the yield of rice by 47.2%, while 92 kg N ha-1 increased it by 36.2%, and 46 kg N ha-1 increased the yield by 32.5% compared to 0 kg N ha-1. There was no significant difference in grain yield between 46, 92 and 138 kg N ha-1. The magnitude of increase in grain yield over the control due to application of 46 N and 10 P ha-1 were 32.5% and 16.2% higher over the control respectively. The partial budget analysis also indicated economic benefit for finger millet when it is fertilized with 46 N and 10 P kg ha-1.

Published in Journal of World Economic Research (Volume 5, Issue 2)
DOI 10.11648/j.jwer.20160502.11
Page(s) 8-14
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), 2016. Published by Science Publishing Group

Keywords

Rice (Oryza Sativa L.), Fertilizers, Grain Yield, Nitrogen, Phosphorous

References
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[8] Mulugeta Seyoum and Heluf Gebrekidan; Effects of N and P fertilisers on yield and N uptake of flooded rice grown on Vertisols of Fogera Plain of Ethiopia; Indian Journal of Fertilizers; 1 (1): 47–51; 2005.
[9] Ni-Wuzhong, He-Nianzu, Ni-Wz and He-Nz; Effect of excess fertilizer phosphorus on some chemical properties of paddy soil derived from red soil and its relation to rice growth; (Abstract), Institution of Soil Sci. Academia Sinica; 7: 1; 1997.
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[14] S. O. Oikeh, S. Nwilene, S. Diatta, O. Osiname, A. Toure, K. A. Okeleye, Responses of upland NERICA rice to nitrogen and phosphorus in the forest agro-ecosystems, Agron. J. 100 (2008) 735-741.
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    Bekele Anbessa Fayisa, Getahun Dereje Welbira. (2016). Influence of Phosphorous and Nitrogen Fertilizer Rate on Grain Yield of Rice at Kamashi Zone of Benshal-gul Gumuz Region, Ethiopia. Journal of World Economic Research, 5(2), 8-14. https://doi.org/10.11648/j.jwer.20160502.11

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    ACS Style

    Bekele Anbessa Fayisa; Getahun Dereje Welbira. Influence of Phosphorous and Nitrogen Fertilizer Rate on Grain Yield of Rice at Kamashi Zone of Benshal-gul Gumuz Region, Ethiopia. J. World Econ. Res. 2016, 5(2), 8-14. doi: 10.11648/j.jwer.20160502.11

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    AMA Style

    Bekele Anbessa Fayisa, Getahun Dereje Welbira. Influence of Phosphorous and Nitrogen Fertilizer Rate on Grain Yield of Rice at Kamashi Zone of Benshal-gul Gumuz Region, Ethiopia. J World Econ Res. 2016;5(2):8-14. doi: 10.11648/j.jwer.20160502.11

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  • @article{10.11648/j.jwer.20160502.11,
      author = {Bekele Anbessa Fayisa and Getahun Dereje Welbira},
      title = {Influence of Phosphorous and Nitrogen Fertilizer Rate on Grain Yield of Rice at Kamashi Zone of Benshal-gul Gumuz Region, Ethiopia},
      journal = {Journal of World Economic Research},
      volume = {5},
      number = {2},
      pages = {8-14},
      doi = {10.11648/j.jwer.20160502.11},
      url = {https://doi.org/10.11648/j.jwer.20160502.11},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jwer.20160502.11},
      abstract = {The scientific information available with regards to the response of upland rice to N and P fertilizers for its optimum production on nitosols of Kamashi zone is very limited. Therefore, a field experiment was conducted on nitosols of Kamashi, western Ethiopia to study the yield and yield components response of rice and to establish the optimum N and P fertilizer levels required for improved grain yield of upland rice. Field experiments were conducted at Kamashi locations, for two years at this location, to investigate the response of rice N and P fertilization. Four levels of N (0, 46, 92, 138 kg ha-1) and four levels of P (0, 10, 20 and 30 kg ha-1) were studied in factorial combinations in a randomized complete block design with triplicates. The results revealed substantial responses of rice to the main factors of N and P fertilization on grain yield, No. of panicle/m2, No. of tiller/plant, No of tiller/m2, and plant height. Rice grain yield, No. of panicle/m2, No. of tiller/plant, No of tiller/m2, and plant height increased significantly with increasing level of P and N (P -1, 23.6% with application 20 kg P ha-1 and 34.6 with the application of 30 kg P ha-1 over zero-P (Table 2). High N at 138 kg ha-1 significantly (P -1 increased it by 36.2%, and 46 kg N ha-1 increased the yield by 32.5% compared to 0 kg N ha-1. There was no significant difference in grain yield between 46, 92 and 138 kg N ha-1. The magnitude of increase in grain yield over the control due to application of 46 N and 10 P ha-1 were 32.5% and 16.2% higher over the control respectively. The partial budget analysis also indicated economic benefit for finger millet when it is fertilized with 46 N and 10 P kg ha-1.},
     year = {2016}
    }
    

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  • TY  - JOUR
    T1  - Influence of Phosphorous and Nitrogen Fertilizer Rate on Grain Yield of Rice at Kamashi Zone of Benshal-gul Gumuz Region, Ethiopia
    AU  - Bekele Anbessa Fayisa
    AU  - Getahun Dereje Welbira
    Y1  - 2016/06/21
    PY  - 2016
    N1  - https://doi.org/10.11648/j.jwer.20160502.11
    DO  - 10.11648/j.jwer.20160502.11
    T2  - Journal of World Economic Research
    JF  - Journal of World Economic Research
    JO  - Journal of World Economic Research
    SP  - 8
    EP  - 14
    PB  - Science Publishing Group
    SN  - 2328-7748
    UR  - https://doi.org/10.11648/j.jwer.20160502.11
    AB  - The scientific information available with regards to the response of upland rice to N and P fertilizers for its optimum production on nitosols of Kamashi zone is very limited. Therefore, a field experiment was conducted on nitosols of Kamashi, western Ethiopia to study the yield and yield components response of rice and to establish the optimum N and P fertilizer levels required for improved grain yield of upland rice. Field experiments were conducted at Kamashi locations, for two years at this location, to investigate the response of rice N and P fertilization. Four levels of N (0, 46, 92, 138 kg ha-1) and four levels of P (0, 10, 20 and 30 kg ha-1) were studied in factorial combinations in a randomized complete block design with triplicates. The results revealed substantial responses of rice to the main factors of N and P fertilization on grain yield, No. of panicle/m2, No. of tiller/plant, No of tiller/m2, and plant height. Rice grain yield, No. of panicle/m2, No. of tiller/plant, No of tiller/m2, and plant height increased significantly with increasing level of P and N (P -1, 23.6% with application 20 kg P ha-1 and 34.6 with the application of 30 kg P ha-1 over zero-P (Table 2). High N at 138 kg ha-1 significantly (P -1 increased it by 36.2%, and 46 kg N ha-1 increased the yield by 32.5% compared to 0 kg N ha-1. There was no significant difference in grain yield between 46, 92 and 138 kg N ha-1. The magnitude of increase in grain yield over the control due to application of 46 N and 10 P ha-1 were 32.5% and 16.2% higher over the control respectively. The partial budget analysis also indicated economic benefit for finger millet when it is fertilized with 46 N and 10 P kg ha-1.
    VL  - 5
    IS  - 2
    ER  - 

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Author Information
  • Ethiopian Institute of Agricultural Research, Assosa Agricultural Research Centre, Western Ethiopia, Ethiopia

  • Ethiopian Institute of Agricultural Research, Assosa Agricultural Research Centre, Western Ethiopia, Ethiopia

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