“Effect of Partial Root-Zone Drying Irrigation and Potassium Fertilizer on Water use Efficiency, Growth and Yield of Cowpea (Vigna Unguiculata L.) in Gypsiferous Soil ” (2024) International Journal of Life Science and Agriculture Research, 3(9), pp. 724–732. doi:10.55677/ijlsar/V03I9Y2024-01.