| RGR Zn | relative root length | plant growth medium | rate unit | 1 | Root growth rates under nutrient deficiency | 89.43861111 |
| Mean(LRD R) C | root mass density | laboratory study | mass density unit | 1 | Control (C) treatment | 0.3822 |
| PC2sc75 | root morphology trait | vertical agar growth medium | dimensionless unit | 1 | Salt induced changes in Root System Architecture | 4.694155002 |
| Z-mean Total length day004 | root length | plant growth medium | micron pixel | 1 | Root growth rates under nutrient deficiency | 224.835 |
| RGR P Zn | relative root length | plant growth medium | rate unit | 1 | Root growth rates under nutrient deficiency | 181.6856098 |
| Mean(LRL) C | lateral root length | laboratory study | millimeter | 1 | Control (C) treatment | 2.005 |
| Mean(LRD R) IAA | root mass density | auxin treatment | mass density unit | 1 | Auxin (IAA) treatment | 0.804 |
| As75 | arsenic concentration | growth chamber study | concentration unit | 6 | Ion Concentration | 0.591046836 |
| YieldPlantingSummerLocSweden2009 | seed weight | — | dimensionless unit | 1 | Flowering time in simulated seasons | -0.149574 |
| PC3sc125 | root morphology trait | vertical agar growth medium | dimensionless unit | 1 | Salt induced changes in Root System Architecture | 2.400126852 |
| LRDpMR125 | root morphology trait | vertical agar growth medium | count unit | 1 | Salt induced changes in Root System Architecture | 2.5511725 |
| MRVL125 | root morphology trait | vertical agar growth medium | ratio | 1 | Salt induced changes in Root System Architecture | 0.546618 |
| Mean(R) IAA | root branching | auxin treatment | unit | 1 | Auxin (IAA) treatment | 24.842 |
| PZ-mean Total length day004 | root length | plant growth medium | micron pixel | 1 | Root growth rates under nutrient deficiency | 396.548666667 |
| Leaf S Mine (μg/g) | sulfur concentration | green house study | microgram | 1 | Pb Mine soil | 2203.6 |
| root length day001 minusZn | root length | plant growth medium | micron pixel | 1 | Root growth under Zn deficiency Bouain et al. 2018 | 133.004333333 |
| MRLpTRS75 | root morphology trait | vertical agar growth medium | ratio | 1 | Salt induced changes in Root System Architecture | 0.466789725 |
| LRDpMR75 | root morphology trait | vertical agar growth medium | count unit | 1 | Salt induced changes in Root System Architecture | 5.4339155 |
| MRVA0 | root morphology trait | vertical agar growth medium | degree | 1 | Salt induced changes in Root System Architecture | 16.4578275 |
| Mean(LRR) CK | root mass density | cytokinin treatment | mass density unit | 1 | Cytokinin (CK) treatment | 0.1952 |