Figs. 2 A-H in Copper and zinc interactions: morphophysiological responses in sweet potato plants (Ipomoea batatas L.)

Figs. 2 A-H. Effects of Cu and Zn on the nutrient content, based on dry weight (DW), in sweet potato plants (Ipomoea batatas L.). A. Nitrogen (g kg-1 DW); B. Potassium (g kg-1 DW); C. Calcium (g kg-1 DW); D. Magnesium (g kg-1 DW); E. Copper (mg kg-1 DW); F. Zinc (mg kg-1 DW); G. Iron (mg kg-1 DW); H. Manganese (mg kg-1 DW).