| Fe57 | iron concentration | growth chamber study | concentration unit | 2702 | Ion Concentration |
| Leaf Fe Mine (μg/g) | iron concentration | green house study | microgram | 199 | Pb Mine soil |
| Mean(LRL) C | lateral root length | laboratory study | millimeter | 190 | Control (C) treatment |
| Mean(TLRL) C | lateral root length | laboratory study | millimeter | 190 | Control (C) treatment |
| Mean(LRL) IAA | lateral root length | auxin treatment | millimeter | 190 | Auxin (IAA) treatment |
| Mean(TLRL) IAA | lateral root length | auxin treatment | millimeter | 190 | Auxin (IAA) treatment |
| Mean(LRL) ABA | lateral root length | abscisic acid treatment | millimeter | 191 | Abscisic acid (ABA) treatment |
| Mean(TLRL) ABA | lateral root length | abscisic acid treatment | millimeter | 191 | Abscisic acid (ABA) treatment |
| Mean(TRL) ABA | lateral root length | abscisic acid treatment | millimeter | 191 | Abscisic acid (ABA) treatment |
| Mean(LRL) CK | lateral root length | cytokinin treatment | millimeter | 192 | Cytokinin (CK) treatment |
| Mean(TLRL) CK | lateral root length | cytokinin treatment | millimeter | 192 | Cytokinin (CK) treatment |
| Mean(TRL) CK | lateral root length | cytokinin treatment | millimeter | 192 | Cytokinin (CK) treatment |
| Mean(LR.no) C | lateral root number | laboratory study | count unit | 190 | Control (C) treatment |
| Mean(LR.no) IAA | lateral root number | auxin treatment | count unit | 190 | Auxin (IAA) treatment |
| Mean(LR.no) ABA | lateral root number | abscisic acid treatment | count unit | 191 | Abscisic acid (ABA) treatment |
| Mean(LR.no) CK | lateral root number | cytokinin treatment | count unit | 192 | Cytokinin (CK) treatment |
| Chlorosis 22 | leaf chlorosis | growth chamber study | dimensionless unit | 176 | Atwell et. al, Nature 2010 |
| YEL | leaf chlorosis | growth chamber study | dimensionless unit | 95 | Atwell et. al, Nature 2010 |
| Chlorosis 10 | leaf chlorosis | growth chamber study | dimensionless unit | 177 | Atwell et. al, Nature 2010 |
| Chlorosis 16 | leaf chlorosis | growth chamber study | dimensionless unit | 176 | Atwell et. al, Nature 2010 |