Saad, A.-E.-H., Emad, A.A.S., Heba, S.E.-B. and Maged, A.A.E.-N. 2020. Enhancing the organic production of kohlrabi using algae extract and biofertilizers. GSC Advanced Research and Reviews. 5, 2 (Nov. 2020), 075–083. DOI:https://doi.org/10.30574/gscarr.2020.5.2.0093.