Fig. 4From: Application of different foliar iron fertilizers for improving the photosynthesis and tuber quality of potato (Solanum tuberosum L.) and enhancing iron biofortificationTuber yield (A) and rate of growth (B) of potato tuber as affected by different iron fertilizer treatments. Lowercase letters indicate significant differences among fertilization treatments (p < 0.05). CK-No iron fertilizer, T1-Fe2(SO4)3 fertilizer, T2-FeSO4·7H2O fertilizer, T3-CA/Fe2(SO4)3 fertilizer, T4-CA/FeSO4·7H2O fertilizer, T5- (EDTA-Fe·Na) fertilizer. CY-1 (2020), CY-2 (2021)Back to article page