ASSIMAKOPOULOU, A., SALMAS, I., KOUNAVIS, N., BASTAS, A. I., MICHOPOULOU, V. and MICHAIL , E. (2019) “The Impact of Ammonium to Nitrate Ratio on the Growth and Nutritional Status of Kale”, Notulae Botanicae Horti Agrobotanici Cluj-Napoca, 47(3), pp. 848-859. doi: 10.15835/nbha47311466.