Working Document Series Open Access The effects of water stress on yield and water productivity of two newly released wheat varieties H. Sirelkhatim Ahmed · A. Amel Ali This experiment was conducted under Gezira condition,Wad Medani, latitude 14º 242 N, longitude 33º 292 E and with an elevation of 405 m above the sea level, during season (2008/2009). A split plot design with four replications and nine irr… RUF-34350 2010 CC BY 4.0 20 Aug 2015