Ştefan Mihai, Petrea, Cristea Victor, Dediu Lorena, Contoman Maria, Lupoae Paul, Plăcintă (Ion) Săndiţa, Coadă Marian Tiberiu, and Enache Mugurel. “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, no. 2 (November 15, 2013): 47-58. Accessed April 28, 2024. https://www.gup.ugal.ro/ugaljournals/index.php/food/article/view/2156.