Asmaa A. Alwash; Firas Salim Al-Aani. PERFORMANCE EVALUATION OF SEED DRILL- FERTILIZER UNDER TWO DIFFERENT FARMING SYSTEMS AND TRACTOR PRACTICAL SPEEDS. Iraqi J. Agric. Sci. 2023, 54 (4), 1155-1162. https://doi.org/10.36103/ijas.v54i4.1809.