Impact of Magnetized Irrigation Water Treatment on Nutrients Uptake and Water Use Efficiency of Cowpea Cultivar (Vigna unguiculata L.).
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Date
2024-06-25
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UMYU Scientifica, Faculty of Natural and Applied Sciences, Umaru Musa Yar’adua University, Katsina, Nigeria.
Abstract
The study assessed the impact of magnetically treated water on the TVX-117 cowpea cultivar for nutrient uptakes and water use efficiency. The magnetic water improved absorption and nutrient assimilations that sustained cowpea growth. A rectangular magnetic water treatment unit of 230 mm x 150 mm x 130 mm designed using a metal plate of thickness 2 mm formed an enclosure for twelve pairs of neodymium magnets (N50 grade) of dimensions 50 mm x 25 mm x 10 mm. Irrigation water was treated with a magnetic flux of 1127.4 G and a mean flow rate of 2.86 litres per minute through the device. Irrigation of both treated and ordinary water was carried out by applying 1.43 L at a 3-day irrigation interval for a bucket experiment under a transparent polythene garden. A completely randomized design was applied and treatments were replicated ten times for both magnetized and non-magnetized irrigation treatments. There exist significant differences between initial cowpea nutrients and nutrient uptakes of the harvested cowpea as the coefficient of determination was R2 = 0.9801; p < 0.05. The results obtained indicated that Water Use Efficiency (WUE) for magnetized water-irrigated plants was 24.7% compared to 7.6% for control. There were significant differences between their WUEs as the coefficient of determination value was R2 = 0.8130; p < 0.05. Magnetized water improved water use efficiency that supported better nutrient uptakes by cowpea seeds.
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Adebayo, K.R. (2024). Impact of Magnetized Irrigation Water Treatment on Nutrients Uptake and Water Use Efficiency of Cowpea Cultivar (Vigna unguiculata L.). UMYU Scientifica (USci), 3(2): 164-172