Fig. 1From: Meta-analysis of the role of zinc in coordinating absorption of mineral elements in wheat seedlingsScenes of tube nutrient solution treatment. Wheat seedlings that had been hydroponic for two weeks after germination were transferred to tubes containing nutrient solution for treatment. The test tube mouth is covered with a film to reduce the loss of water and nutrients. Nutrient solution in test tube without treatment of seedlings were used as controlBack to article page