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Chemical and Biological Technologies in Agriculture
Fig. 2 | Chemical and Biological Technologies in Agriculture

Fig. 2

From: Application of different foliar iron fertilizers for improving the photosynthesis and tuber quality of potato (Solanum tuberosum L.) and enhancing iron biofortification

Fig. 2

Chl a (A), Chl b (B), Car (C), Chl (a + b) (D), Total pigment content (E), and Chl a/b (F) of potato as affected by different iron fertilizer treatments. Lowercase letters indicate significant differences among fertilization treatments (p < 0.05). Chord diagrams (G) and (H) represent the correlation of chlorophyll content under different treatments. 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)

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