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Determination of Optimal Irrigation Using Soil Moisture Depletion on Yield and Water Productivity of Potato (Solanum tuberosum L.) at Odo Shakiso District, Southern Ethiopia

Received: 12 July 2023     Accepted: 7 August 2023     Published: 27 September 2023
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Abstract

Irrigation technologies that save water are necessary to ensure the economic and environmental sustainability of agriculture. Accurate irrigation planning is critical to improving irrigation efficiency. Therefore, this activity aimed to evaluate the responses of potato plants to the irrigation system (when and how much) and to determine the water productivity (WP) under optimal irrigation system. During the 2020 and 2021 irrigation season, a field trial of five irrigation treatments (20% ASMDL, 40% ASMDL, 60% ASMDL, 80% ASMDL and 100% ASMDL (FAO recommended ASMDL) irrigation) was conducted in Odo Shakiso district. The experiment was set up in a randomized complete block design (RCBD) with three repetitions. For the Irrigation Treatment at Allowable Soil Moisture Depletion (ASMDL), irrigation was scheduled when 35% of the total available water was depleted. Results showed that potato tuber yield, number of tubers per plant, and water productivity were significantly affected between treatments (P<0.05). Plant height, tuber weight and non-marketable tuber yield did not vary significantly between treatments. The highest marketable tuber yield (32.91 t ha-1) was achieved using irrigation water with 100% ASMDL. Reducing soil moisture loss from the recommended level (0.35) did not increase water productivity. However, no significant difference in water productivity was observed between irrigation water application at 60% of the ASMDL and irrigation water application at 100% of the ASMDL (FAO recommended depletion limit). Therefore, it can be concluded that the application of the FAO recommended ASMDL can provide the highest marketable tuber yield and water productivity of potatoes in the study area and in a similar agro ecology. Therefore, further investigation and verification work under different climatic conditions is recommended.

Published in International Journal of Applied Agricultural Sciences (Volume 9, Issue 5)
DOI 10.11648/j.ijaas.20230905.13
Page(s) 143-148
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), 2023. Published by Science Publishing Group

Keywords

Allowable Soil Moisture Depletion Level (ASMDL), Potato, Irrigation Regime, Water Productivity (WP)

References
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[2] Brouwer, C., Prins, K. and Heibloem, M., 1989. Irrigation scheduling. Gestion des Eaux en Irrigation. Manuel de Formation (FAO).
[3] Demeku, S., Descheemaeker, K., Haileslassie, A., Amede, T., Tischbein, B., 2011. Irrigation water productivity as affected by water management in a small-scale irrigation scheme in the Blue Nile Basin, Ethiopia. Expl. Agric. 47, 133-151.
[4] Dessalegn, R., 1999. Water Resources Development in Ethiopia: Issues of Sustainability and Participation. Discussion Paper. Forum for Social Studies, Addis Ababa, Ethiopia.
[5] Dilip, K. M., 2000. Irrigation Water Management: Principles and Practices. Prentice Hall of India PLC. New Delhi, India.
[6] FAO, 1971. Irrigation scheduling from theory to practice. Food and Agriculture Organization of the United Nations. Irrigation and Drainage paper. No. 8. Rome, Italy.
[7] Haileslassie, A., Agide, Z., Erkossa, T., Hoekstra, D., Schmitter, P., Langan, S., 2016. On-farm smallholder irrigation performance in Ethiopia: From water use efficiency to equity and sustainability. LIVES Working Paper 19. International Livestock Research Institute. Nairobi, Kenya.
[8] KANDIAH, A., 1981. GUIDE FOR MEASUREMENT OP IRRIGATION HATER USBTG PARSHALL FLUKES AND SIPHONS.
[9] Kidist H. and Mahtsente T. (2017). Determination of Optimal Irrigation Scheduling for Potato (Solanum tuberosum L.) at Holeta, Centeral High Land of Ethiopia. J. Nat. Sci. Res. 7 (11): 14-19.
[10] Mulugeta, A., 2002. National Ground Water Resources Assessment Program for Ethiopia. International Atomic Energy Agency. Vienna, Austria.
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[12] Shadeed, K., 2001. Economic and Technical Assessment of On-farm Water Use Efficiency. United Nations, New York, USA.
[13] Stanley, W. C. and Yerima, B. 1992. Improvement of soil services for agricultural development: guidelines for soil sampling and fertility evaluation. Ministry of Natural Resources Development and Environmental Protection, Addis Ababa, Ethiopia.
[14] Van Halsema, G. E., Lencha, B. K., Assefa, M., Hengsdijk, H., Wesseler, J., 2011. Performance assessment of smallholder irrigation in the central rift valley of Ethiopia. Irrig. Drain. 60, 622-634.
[15] Walkley, A. and Black, I. A., 1934. An examination of the Degtjareff method for determining soil organic matter, and a proposed modification of the chromic acid titration method. Soil science, 37 (1), pp. 29-38.
[16] Wubengeda A, Kassu T, Tilahun H, Yonase D, Dawit H (2016). Determining of Optimal Irrigation Regimes and NP Fertilizer Rate for Potato (Solanum tuberosum L.) at Kulumsa, Arsi Zone, Ethiopia. Acad. J. Agric. Res. 4 (6): 326-332.
[17] Yuan, B. Z., J. Sun and S. Nishiyama, 2004. Effect of drip irrigation on strawberry growth and yield inside a plastic green house. Biosystems Engineering 87 (2) (2004): 237- 245.
[18] Zwart, S. J. and Bastiaanssen, W. G., 2004. Review of measured crop water productivity values for irrigated wheat, rice, cotton and maize. Agricultural water management, 69 (2), pp. 115-133.
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    Tesfaye Gragn Debele, Alemayehu Mamo Burayu, Obsa Wolde Dilgasa. (2023). Determination of Optimal Irrigation Using Soil Moisture Depletion on Yield and Water Productivity of Potato (Solanum tuberosum L.) at Odo Shakiso District, Southern Ethiopia. International Journal of Applied Agricultural Sciences, 9(5), 143-148. https://doi.org/10.11648/j.ijaas.20230905.13

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    Tesfaye Gragn Debele; Alemayehu Mamo Burayu; Obsa Wolde Dilgasa. Determination of Optimal Irrigation Using Soil Moisture Depletion on Yield and Water Productivity of Potato (Solanum tuberosum L.) at Odo Shakiso District, Southern Ethiopia. Int. J. Appl. Agric. Sci. 2023, 9(5), 143-148. doi: 10.11648/j.ijaas.20230905.13

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    AMA Style

    Tesfaye Gragn Debele, Alemayehu Mamo Burayu, Obsa Wolde Dilgasa. Determination of Optimal Irrigation Using Soil Moisture Depletion on Yield and Water Productivity of Potato (Solanum tuberosum L.) at Odo Shakiso District, Southern Ethiopia. Int J Appl Agric Sci. 2023;9(5):143-148. doi: 10.11648/j.ijaas.20230905.13

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  • @article{10.11648/j.ijaas.20230905.13,
      author = {Tesfaye Gragn Debele and Alemayehu Mamo Burayu and Obsa Wolde Dilgasa},
      title = {Determination of Optimal Irrigation Using Soil Moisture Depletion on Yield and Water Productivity of Potato (Solanum tuberosum L.) at Odo Shakiso District, Southern Ethiopia},
      journal = {International Journal of Applied Agricultural Sciences},
      volume = {9},
      number = {5},
      pages = {143-148},
      doi = {10.11648/j.ijaas.20230905.13},
      url = {https://doi.org/10.11648/j.ijaas.20230905.13},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijaas.20230905.13},
      abstract = {Irrigation technologies that save water are necessary to ensure the economic and environmental sustainability of agriculture. Accurate irrigation planning is critical to improving irrigation efficiency. Therefore, this activity aimed to evaluate the responses of potato plants to the irrigation system (when and how much) and to determine the water productivity (WP) under optimal irrigation system. During the 2020 and 2021 irrigation season, a field trial of five irrigation treatments (20% ASMDL, 40% ASMDL, 60% ASMDL, 80% ASMDL and 100% ASMDL (FAO recommended ASMDL) irrigation) was conducted in Odo Shakiso district. The experiment was set up in a randomized complete block design (RCBD) with three repetitions. For the Irrigation Treatment at Allowable Soil Moisture Depletion (ASMDL), irrigation was scheduled when 35% of the total available water was depleted. Results showed that potato tuber yield, number of tubers per plant, and water productivity were significantly affected between treatments (P-1) was achieved using irrigation water with 100% ASMDL. Reducing soil moisture loss from the recommended level (0.35) did not increase water productivity. However, no significant difference in water productivity was observed between irrigation water application at 60% of the ASMDL and irrigation water application at 100% of the ASMDL (FAO recommended depletion limit). Therefore, it can be concluded that the application of the FAO recommended ASMDL can provide the highest marketable tuber yield and water productivity of potatoes in the study area and in a similar agro ecology. Therefore, further investigation and verification work under different climatic conditions is recommended.},
     year = {2023}
    }
    

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  • TY  - JOUR
    T1  - Determination of Optimal Irrigation Using Soil Moisture Depletion on Yield and Water Productivity of Potato (Solanum tuberosum L.) at Odo Shakiso District, Southern Ethiopia
    AU  - Tesfaye Gragn Debele
    AU  - Alemayehu Mamo Burayu
    AU  - Obsa Wolde Dilgasa
    Y1  - 2023/09/27
    PY  - 2023
    N1  - https://doi.org/10.11648/j.ijaas.20230905.13
    DO  - 10.11648/j.ijaas.20230905.13
    T2  - International Journal of Applied Agricultural Sciences
    JF  - International Journal of Applied Agricultural Sciences
    JO  - International Journal of Applied Agricultural Sciences
    SP  - 143
    EP  - 148
    PB  - Science Publishing Group
    SN  - 2469-7885
    UR  - https://doi.org/10.11648/j.ijaas.20230905.13
    AB  - Irrigation technologies that save water are necessary to ensure the economic and environmental sustainability of agriculture. Accurate irrigation planning is critical to improving irrigation efficiency. Therefore, this activity aimed to evaluate the responses of potato plants to the irrigation system (when and how much) and to determine the water productivity (WP) under optimal irrigation system. During the 2020 and 2021 irrigation season, a field trial of five irrigation treatments (20% ASMDL, 40% ASMDL, 60% ASMDL, 80% ASMDL and 100% ASMDL (FAO recommended ASMDL) irrigation) was conducted in Odo Shakiso district. The experiment was set up in a randomized complete block design (RCBD) with three repetitions. For the Irrigation Treatment at Allowable Soil Moisture Depletion (ASMDL), irrigation was scheduled when 35% of the total available water was depleted. Results showed that potato tuber yield, number of tubers per plant, and water productivity were significantly affected between treatments (P-1) was achieved using irrigation water with 100% ASMDL. Reducing soil moisture loss from the recommended level (0.35) did not increase water productivity. However, no significant difference in water productivity was observed between irrigation water application at 60% of the ASMDL and irrigation water application at 100% of the ASMDL (FAO recommended depletion limit). Therefore, it can be concluded that the application of the FAO recommended ASMDL can provide the highest marketable tuber yield and water productivity of potatoes in the study area and in a similar agro ecology. Therefore, further investigation and verification work under different climatic conditions is recommended.
    VL  - 9
    IS  - 5
    ER  - 

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Author Information
  • Department of Irrigation Engineering, Oromia Agricultural Research Institute, Bore Agricultural Research Center, Bore, Ethiopia

  • Department of Irrigation Engineering, Oromia Agricultural Research Institute, Bore Agricultural Research Center, Bore, Ethiopia

  • Department of Irrigation Engineering, Oromia Agricultural Research Institute, Bore Agricultural Research Center, Bore, Ethiopia

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