2012. The Allelopathic Effect of Dill Plant (Anethum graveolens L.) Residues on the Growth and Chemical Content of Two Types of Barley (Hordeum vulgare L.) Cultivars. Rafidain Journal of Science. 23, 5 (Jul. 2012), 1–12. DOI:https://doi.org/10.33899/rjs.2012.59646.