Effect of Adding Nano NPK Fertilizers and Foliar Application of Nano Zinc and Boron on the Concentration of NPK, Zn, and B in the Vegetative Parts of Potato (Solanum tuberosum L.) Plants. EJAS [Internet]. 2026 Sep. 30 [cited 2026 Oct. 30];18(3). Available from: https://ejs-agri.com/index.php/EJAS/article/view/337