| RGR Fe | relative root length | plant growth medium | rate unit | 1 | Root growth rates under nutrient deficiency | 130.6709861 |
| Co59 | cobalt concentration | growth chamber study | concentration unit | 6 | Ion Concentration | 0.540449535 |
| Leaf Fe Mine (μg/g) | iron concentration | green house study | microgram | 1 | Pb Mine soil | 146.96 |
| root length day002 | root length | plant growth medium | micron pixel | 1 | Root growth under Zn deficiency Bouain et al. 2018 | 201.280125 |
| PF-mean Total length day005 | root length | plant growth medium | micron pixel | 1 | Root growth rates under nutrient deficiency | 305.190375 |
| Mean(TLRL) C | lateral root length | laboratory study | millimeter | 1 | Control (C) treatment | 4.5315 |
| DTFplantingLoc2008 | days to flowering trait | — | dimensionless unit | 1 | Flowering time in simulated seasons | 42.6755 |
| P-mean Total length day003 | root length | plant growth medium | micron pixel | 1 | Root growth rates under nutrient deficiency | 124.898 |
| 8W | days to flowering trait | growth chamber study | day | 1 | Atwell et. al, Nature 2010 | 26.4 |
| root length day007 minusZn | root length | plant growth medium | micron pixel | 1 | Root growth under Zn deficiency Bouain et al. 2018 | 722.252333333 |
| Cu65 | copper concentration | growth chamber study | concentration unit | 6 | Ion Concentration | 12.961011685 |
| Estimated Soil Pb | — | — | — | 1 | Pb Mine soil | 0.347877219 |
| root length day006 minusZn | root length | plant growth medium | micron pixel | 1 | Root growth under Zn deficiency Bouain et al. 2018 | 604.793888889 |
| deltaRGR P Fe norm on Fe norm | relative root length | plant growth medium | ratio | 1 | Root growth rates under nutrient deficiency | 0.025221335 |
| As2 CFU2 | bacterial disease resistance | growth chamber study | colony forming unit | 1 | Atwell et. al, Nature 2010 | 4.898 |
| RGR P Zn norm | relative root length | plant growth medium | ratio | 1 | Root growth rates under nutrient deficiency | 1.53685799 |
| SizeMainEffect2009 | — | — | dimensionless unit | 1 | Flowering time in simulated seasons | 3.975 |
| RGR Zn | relative root length | plant growth medium | rate unit | 1 | Root growth rates under nutrient deficiency | 96.91999351 |
| 0W | days to flowering trait | growth chamber study | day | 1 | Atwell et. al, Nature 2010 | 62.9 |
| Mean(LRD R) C | root mass density | laboratory study | mass density unit | 1 | Control (C) treatment | 0.3851 |