RESPONSE OF YIELD AND CHEMICAL COMPOSITION OF BLACK CUMIN TO DIFFERENT FERTILIZER IN SULAIMANI REGION

Two field experiment were conducted to evaluate the effect of different fertilizer on seed yield and oil content two Black cumin species (Nigella sativa Nigella arvensis), first was at Qlyasan Agricultural Research Station, College Engineering Sciences, University Sulaimani, second Kanipanka Sulaimani Directorate, Ministry Agriculture Water Recourses during autumn season 2020-2021. The laid out according factorial Completely Randomized Block Design (CRBD), with three replications. results demonstrated that gave maximum values for yield, fixed %, essential oil% while arvensis produced chemical constituents Thymoquinone Nigellone both location their averages. %2 organic matter all studied characters. variation amount Essential % Constituents noticed due interaction treatment N. Arvensis matters, locations average. significantly predominated in Thymoquinone.