EFFECT OF THE IRRIGATION METHOD ON ONION YIELD IN STATION, SENEGAL

  • National School of Agriculture (ENSA).
  • International Institute for Water and Environmental Engineering-2ie.
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Conducted at the Center for the Application of Agricultural Techniques (CATA) of the National Higher School of Agriculture (ENSA) in Thies-Senegal, this study aims to contribute to the optimization of productive water resource use. Three irrigation methods (sprinkler, drip, and micro-sprinkler) were tested to assess their efficiency and their effect on onion yield.The results showed that at the beginning of the cropping season, all three irrigation methods exhibited irrigation efficiency above the reference threshold (drip: 96%, micro-sprinkler: 89%, and sprinkler: 87%). In the middle of the season, the uniformity efficiency of the drip irrigation method declined sharply. From an agronomic perspective, sprinkler irrigation produced the best results with an average yield of 26.4 t/ha, followed by micro-sprinkler irrigation with a yield of 22.2 t/ha, and finally drip irrigation with an average yield of 20.5 t/ha. This study confirmed that drip irrigation is not suitable when irrigation water is high in iron, limestone (calcium carbonate), and magnesium.

[Mahecor Diouf, Dior Diallo, Atoumane LY, Assane Goumbala and El Hadji Bamba Diaw (2026); EFFECT OF THE IRRIGATION METHOD ON ONION YIELD IN STATION, SENEGAL Int. J. of Adv. Res. (Jan). 209-216] (ISSN 2320-5407). www.journalijar.com

Mahecor DIOUF
Ecole Nationale Supérieure d'Agriculture (ENSA)
Senegal

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