Figure 3.
Photos of potatoes grown with different Mn sulfate content in the nutrient medium; (1)—0 mol/L, (2)—0.1 mol/L (control), (3)—0.2 mol/L, (4)—0.5 mol/L, (5)—1, (6)—2 mol/L, (7)—10 mol/L.
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