Effect of foliar spray with potassium and calcium on the physiological response and relative value of stability of lettuce plant under drought stress conditions. Damascus University Journal of agriculture sciences, [S. l.], v. 41, n. 3, 2025. Disponível em: https://journal.damascusuniversity.edu.sy/index.php/agrj/article/view/8258. Acesso em: 18 jun. 2026.