The current study aimed to use surface and drip irrigation systems with rates of nitrogen fertilizer and splitting of nitrogen fertilizer rates. Two field experiments were carried out at the Agricultural Research Farm at Al-Kawamel site, Faculty of Agriculture, Sohag University, Sohag Governorate, Egypt during 2019 and 2020 seasons to study effect of two irrigation systems; surface and drip irrigation, ... إقراء المزيد