Rasul, Rozhgar Abdulla. “Effect Concentration of Water Extract of Nerium Oleander and Juglans Nigra L. Allelopathy on Seed Germination and Radicle Length of (Silybum Marianum) ”. Diyala Agricultural Sciences Journal , vol. 15, no. 2, Dec. 2023, pp. 46-51, doi:10.52951/dasj.23150205.