Deficit Irrigation Management as Strategy Under Conditions of Water Scarcity; Potential Application in North Sinai, Egypt Mohamed Abu-hashim and Abdelazim Negm Contents 1 Introduction ................................................................................... 36 1.1 Food Security Under Conditions of Water Deficiency ................................ 37 1.2 Arable Land Area ....................................................................... 38 1.3 Water Resources ........................................................................ 38 1.4 Soil Water Management ................................................................ 39 1.5 Deficit Irrigation ........................................................................ 40 2 Egypt Case Study ............................................................................. 41 2.1 Experimental Site ....................................................................... 41 2.2 Experimental Design ................................................................... 42 2.3 Statistical Analysis ...................................................................... 44 3 Results ......................................................................................... 44 3.1 Irrigation Water Characteristics ........................................................ 44 3.2 Canal Nutrient Characteristics .......................................................... 45 3.3 Water Stress Impact on Soil Salinity ................................................... 48 3.4 Soil Nutrient Availability ............................................................... 48 3.5 Yield Characteristics .................................................................... 50 3.6 Evaluation of Yield Simulation Model ................................................. 50 4 Conclusion and Recommendations ........................................................... 52 References ......................................................................................... 53 Abstract Water plays an essential role in yield productivity; however, in the near future it seems that many Arabian and African countries will suffer from water scarcity periods. Egypt, as one of the Arabian and African countries, reflects this M. Abu-hashim (*) Soil Science Department, Faculty of Agriculture, Zagazig University, Zagazig, Egypt e-mail: dr.mabuhashim@gmail.com; mabuhashim@zu.edu.eg A. Negm Water and Water Structures Engineering Department, Faculty of Engineering, Zagazig University, Zagazig, Egypt e-mail: amnegm85@yahoo.com; amnegm@zu.edu.eg A. M. Negm and M. Abu-hashim (eds.), Sustainability of Agricultural Environment in Egypt: Part I - Soil-Water-Food Nexus, Hdb Env Chem (2019) 76: 35–56, DOI 10.1007/698_2018_292, © Springer International Publishing AG 2018, Published online: 15 May 2018 35