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