Fig. 2From: Optimizing nutrient solution for vegetative growth of Dendrobium Tubtim Siam and Phalaenopsis Taisuco Swan through plant tissue nutrient balance estimationB (a), Cu (b), Fe (c), Mn (d) and Zn (e) content of Dendrobium Tubtim Siam cultivated under different nutrient solution concentrations. OC: optimal concentration; MR: maximum responseBack to article page