Effect of the Nitrate-Urea Ratio, Nickel Levels, and Light Intensity on the Development of Lactuca sativa L. under Hydroponic Conditions. AP [Internet]. 20 de mayo de 2026 [citado 21 de mayo de 2026];. Disponible en: https://mail.revista-agroproductividad.org/index.php/agroproductividad/article/view/3821