After 21-d of cultivation, the plants were transferred to the nutrient solutions either without iron (0 lMFeEDTA), or with the FeEDTA concentration at 1, 10 or 50 lM.
After 21-d of cultivation, the plants were transferred to the nutrientsolutions either without iron (0 lMFeEDTA), or with the FeEDTAconcentration at 1, 10 or 50 lM.