Fathi A. Al-Mandeel and Abdulmoneim M.A.Kannah 2023. Effect of soils on formation of active compounds on Brassica napus L. which grow in Iraq. Tikrit Journal of Pure Science. 22, 10 (Feb. 2023), 13–21. DOI:https://doi.org/10.25130/tjps.v22i10.886.