Najm Abdullah Jumaah Al-Zubaidi, & Baidaa Majeed Rashid Awaid. (2024). Effect of Foliar Nutrition by Humic and Fulvic Acid and the Interaction between them on Productivity of Sun Flower (Helianthus annuus L.). ., 2(3), 66-78. https://doi.org/10.24237/ASJ.02.03.770B