& et al. A mohammedi. SOME PHYSICAL PROPERTIES OF ESSENTIAL OIL OF BARAKASEED NIGELLA SATIVA L. IMPACTED BY BAT GUANO Otonycteris hemprichii Camd AND SEAWEED EXTRACT. Iraqi J. Agric. Sci. 2016;47(4). doi:10.36103/ijas.v47i4.552