Impact of Foliar Spraying of 5-Aminolevulinic Acid and Nano-Zinc Oxide on Leaf Chemical Composition and Pigment Content of Dwarf Bougainvillea ’Jewel Pink’. EJAS [Internet]. 2026 Sep. 30 [cited 2026 Oct. 31];18(3). Available from: https://ejs-agri.com/index.php/EJAS/article/view/317