Impact of Different Shapes of Pitchers on Water Saving and Water Use Efficiency of Ridge-gourd in Semi Arid Region of Pakistan: Pitcher Irrigation Impact on Ridge-gourd. (2018). Biological Sciences - PJSIR, 61(2), 72-77. https://doi.org/10.52763/PJSIR.BIOL.SCI.61.2.2018.72.77