| Cu65 | copper concentration | growth chamber study | concentration unit | 6 | Ion Concentration | 13.5773766367 |
| LRDpBZ125 | root morphology trait | vertical agar growth medium | count unit | 1 | Salt induced changes in Root System Architecture | 6.73525075 |
| Estimated Soil Pb | — | — | — | 1 | Pb Mine soil | 0.162163384 |
| Depth0 | root morphology trait | vertical agar growth medium | length unit | 1 | Salt induced changes in Root System Architecture | 3.819105 |
| root length day006 minusZn | root length | plant growth medium | micron pixel | 1 | Root growth under Zn deficiency Bouain et al. 2018 | 574.805428571 |
| deltaRGR P Fe norm on Fe norm | relative root length | plant growth medium | ratio | 1 | Root growth rates under nutrient deficiency | 0.781100739 |
| Straight0 | root morphology trait | vertical agar growth medium | ratio | 1 | Salt induced changes in Root System Architecture | 0.847965 |
| Basal125 | root morphology trait | vertical agar growth medium | length unit | 1 | Salt induced changes in Root System Architecture | 0.2472375 |
| RGR P Zn norm | relative root length | plant growth medium | ratio | 1 | Root growth rates under nutrient deficiency | 1.177866966 |
| SizeMainEffect2009 | — | — | dimensionless unit | 1 | Flowering time in simulated seasons | 0.85 |
| PC2sc125 | root morphology trait | vertical agar growth medium | dimensionless unit | 1 | Salt induced changes in Root System Architecture | 0.4434876 |
| RGR Zn | relative root length | plant growth medium | rate unit | 1 | Root growth rates under nutrient deficiency | 79.29202736 |
| Mean(LRD R) C | root mass density | laboratory study | mass density unit | 1 | Control (C) treatment | 0.3658 |
| PC2sc75 | root morphology trait | vertical agar growth medium | dimensionless unit | 1 | Salt induced changes in Root System Architecture | -0.177727685 |
| Z-mean Total length day004 | root length | plant growth medium | micron pixel | 1 | Root growth rates under nutrient deficiency | 186.029285714 |
| RGR P Zn | relative root length | plant growth medium | rate unit | 1 | Root growth rates under nutrient deficiency | 145.2318079 |
| Mean(LRL) C | lateral root length | laboratory study | millimeter | 1 | Control (C) treatment | 1.076 |
| Mean(LRD R) IAA | root mass density | auxin treatment | mass density unit | 1 | Auxin (IAA) treatment | 0.652 |
| As75 | arsenic concentration | growth chamber study | concentration unit | 6 | Ion Concentration | 0.429364618667 |
| YieldPlantingSummerLocSweden2009 | seed weight | — | dimensionless unit | 1 | Flowering time in simulated seasons | -0.0795 |