ABBAS , D. N., and F. A. OMER. “EARLY VEGETATIVE GROWTH OF BARLEY AND TRITICALE SOWN AT DIFFERENT SEED AND DAP FERTILIZER RATES UNDER RAINFED CONDITIONS”. Journal of Duhok University, Vol. 25, no. 2, Oct. 2022, pp. 9-18, doi:10.26682/ajuod.2022.25.2.2.