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Table 11 Pearson correlation coefficient for metals in ginger with soil sample (n = 4)

From: Levels of essential and non-essential metals in ginger (Zingiber officinale) cultivated in Ethiopia

Metal Ca Mg Cu Zn Mn Ni Fe Co Cr Cd
r −0.812 0.723 0.288 0.857 0.829 0.345 0.459 0.744 0.814 0.766
  1. where, r is the Pearson correlation coefficient between metal level in ginger and metal level in soil.