International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Open Access | Fully Refereed | Peer Reviewed

ISSN: 2319-7064


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Research Paper | Agricultural Engineering | Kenya | Volume 10 Issue 4, April 2021


Evaluation of the Effectiveness of the Current Irrigation Scheduling Strategies in Perkerra Irrigation Scheme, Kenya

Kennedy O. Okuku, Japheth O. Onyando


Abstract: Irrigation scheduling helps the farmer to know when to irrigate, water flow rate (quantity), and duration of water supply to the farm. Improper irrigation activities can lead to irrigation water loss by percolation and surface runoff, soil erosion due to surface runoff, leaching of the useful minerals through percolation, high energy consumption in pumping irrigation water and increase in operation and maintenance cost. Irrigation scheduling can help in reducing such problems and boost productivity. The main objective of this study was to evaluate the effectiveness of the irrigation scheduling strategies that are currently being practiced in Perkerra irrigation scheme. Four fields of 0.5 ha in average cultivated with maize crop, were selected to assess and compare irrigation water use efficiencies. Data collection included soil types, crops grown, soil water monitoring, meteorological data, irrigation system, discharge received per plot level and a total times irrigation is done. The average interval for applying irrigation water was found to be 2 to 3 days irrespective of rainfall. Over-irrigation to saturation is common in Perkerra Irrigation Scheme. Measurements carried out on the Perkerra irrigation scheme showed that there can be losses of more than 100%. The water use efficiency in PIS is very low and there should be improvements. The determined results were then used to evaluate the most efficient and reliable schedule for future irrigation and also to provide needed information for improvement of irrigation interval for Perkerra Irrigation scheme.


Keywords: Evaluation of performances, Irrigation scheduling, Water scarcity, Irrigation efficiency, Evapotranspiration


Edition: Volume 10 Issue 4, April 2021,


Pages: 1192 - 1198


How to Cite this Article?

Kennedy O. Okuku, Japheth O. Onyando, "Evaluation of the Effectiveness of the Current Irrigation Scheduling Strategies in Perkerra Irrigation Scheme, Kenya", International Journal of Science and Research (IJSR), https://www.ijsr.net/get_abstract.php?paper_id=SR21423005511, Volume 10 Issue 4, April 2021, 1192 - 1198

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