BK Yadav et al. 2023. Effect of Irrigation Water Quality, Nitrogen Doses and Microbial Inoculants on Soil Enzyme Activity and Green Pod Yield of Cowpea (Vigna unguiculata) in Loamy Sand Alluvial Soil of Semi-Arid Region of Punjab, India. Journal of Soil Salinity and Water Quality. 14, 1 (Aug. 2023), 53–62.