Ştefan Mihai, P., Victor, C., Lorena, D., Maria, C., Paul, L., Săndiţa, P. (Ion), Marian Tiberiu, C., & Mugurel, E. (2013). A comparison of nitrate level in spinach grown both under different densities in aquaponic system and under natural growth conditions. The Annals of the University Dunarea De Jos of Galati. Fascicle VI - Food Technology, 37(2), 47-58. Retrieved from https://www.gup.ugal.ro/ugaljournals/index.php/food/article/view/2156