Fig. 7From: Application of different foliar iron fertilizers for improving the photosynthesis and tuber quality of potato (Solanum tuberosum L.) and enhancing iron biofortificationHeat map of Pearson correlation coefficient matrix between photosynthetic parameters and tuber yield, quality, and iron content. Heat map of Pearson correlation coefficient matrix produced by Origin Pro 2022b 64Bit. CY-1 (2020), CY-2 (2021)Back to article page