Al Myali, A.A.H., Alnuaimi, J.J.J. and Hussain, M.H. 2020. Effect of Bio-fertilizer, organic manure, Nano Zinc Oxid and interaction on the growth parameters for Sunflower plant Helianthus annuus L. Journal of Kerbala for Agricultural Sciences. 7, 2 (May 2020), 1–19. DOI:https://doi.org/10.59658/jkas.v7i2.796.