ahmad, maki mohammed, Mustafa, K. M., Muhammed, S. R., & Rashed, A. G. M. (2018). Impact of clipping dates and nitrogen application on yield and yield components of two six-rowed barley at two location of Sulaimani District. Journal of Kerbala for Agricultural Sciences, 5(4), 7–23. https://doi.org/10.59658/jkas.v5i4.344