Design of Rainwater Harvesting and Sprinkler Irrigation System At the University Of Rwanda Nyagatare Campus Farm

Agnes YANKURIJE, Leonce HARERIMANA, Jean de Dieu IYAKAREMYE, Vincent NSHIMYUMUREMYI

Abstract


Rainwater harvesting is a straightforward technique or technology that collects, conveys, purifies, and stores runoff from rooftops, parks, highways, open spaces, etc. for use in the future. Sprinklers for irrigation can be utilized in residential, commercial, and agricultural settings. Both sandy soil and uneven terrain with insufficient water supply can benefit from it. Water leaks from the revolving nozzles when it is pressured and forced into the main pipe. The crop receives a spray of it. Water is piped to one or more central sites throughout the field for overhead high-pressure sprinklers or guns to disperse during sprinkler or overhead irrigation.

Nyagatare district has an annual rainfall of 827 mm which is less compared to other regions in the country and very unpredictable to satisfy the needs in agriculture and livestock. The annual rainfall of arid-prone region hurts productivity and production. Therefore, the study is undertaken to design an irrigation system that relies on rainwater harvesting as a source of irrigation. The overall objective of this study is to design a rainwater harvesting and sprinkler irrigation system at UR Nyagatare Campus Farm. The following specific objectives will be accomplished in this study to achieve the main objective 1) To assess irrigation water potential, soil and land characteristics of the study area, 2) To determine irrigation water requirement of the command area concerning various conditions of utilization, 3) To design rainwater harvesting, water storage facility, and suitable sprinkler irrigation system and undertaken its economics and a cost-benefits analysis.

The study was conducted at Nyagatare campus farm. This farm is located in eastern province, Nyagatare district, Nyagatare sector, Rwanda.


Keywords


Weather analysis, Soil characteristics, Design rainwater harvesting, Sprinkler irrigation system, Cost benefits analysis.

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References


. Eastern Province. (2024). Regional climatic data. Retrieved from

http://www.easternprovince.gv.rw/index.php

. Nyagatare District. (2018). Agricultural Challenges in Nyagatare. Nyagatare: Nyagatare District.

. Rwanda Agriculture and Animal Resources Development Board (RAB). (2020). Irrigation Development in Rwanda. Kigali: RAB.

. Smith, J., Doe, A., & Brown, L. (2023). Reservoir capacity estimation for sustainable irrigation. Journal of Agricultural Engineering, 54(2), 45-58.

. United Nations Environment Program (UNEP). (2022). Rainwater Harvesting for Sustainable Development. Nairobi: UNEP.




DOI: http://dx.doi.org/10.52155/ijpsat.v45.2.6472

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