Elucidation of the Impact of Lead Chloride on Growth Characteristics and Chlorophyll Content in Two Varieties of Sunflower (Helianthus annuus L.): Effect of Lead Chloride on Sunflower. Pakistan Journal of Scientific & Industrial Research [Internet]. 2026 Mar. 10 [cited 2026 Mar. 10];69(1):1-8. Available from: https://v2.pjsir.org/index.php/biological-sciences/article/view/3160