Jilab Hadi,B . "The Influence of Foliar Sprays with Some Nutrient Solutions and Plant Extracts and Zinc on Vegetative Growth of Okra Plants (Abelmoschus esculuntus L).", Al-Qadisiyah Journal For Agriculture Sciences, 2, 2, 2012, 20-29. doi: 10.33794/qjas.2012.67607