| Mean(TRL) C | root length | laboratory study | millimeter | 1 | Control (C) treatment | 32.2318 |
| Mean(LR.no) C | lateral root number | laboratory study | count unit | 1 | Control (C) treatment | 3.4 |
| Mean(TRL) ABA | lateral root length | abscisic acid treatment | millimeter | 1 | Abscisic acid (ABA) treatment | 24.2664 |
| root length day007 minusZn | root length | plant growth medium | micron pixel | 1 | Root growth under Zn deficiency Bouain et al. 2018 | 697.793666667 |
| MS-mean Total length day003 | root length | plant growth medium | micron pixel | 1 | Root growth rates under nutrient deficiency | 96.57681818 |
| root length day006 minusZn | root length | plant growth medium | micron pixel | 1 | Root growth under Zn deficiency Bouain et al. 2018 | 573.397875 |
| deltaRGR P Fe norm on Fe norm | relative root length | plant growth medium | ratio | 1 | Root growth rates under nutrient deficiency | 0.571728558 |
| root length day007 | root length | plant growth medium | micron pixel | 1 | Root growth under Zn deficiency Bouain et al. 2018 | 845.3036 |
| RGR P Zn norm | relative root length | plant growth medium | ratio | 1 | Root growth rates under nutrient deficiency | 1.217417538 |
| MS-mean Total length day004 | root length | plant growth medium | micron pixel | 1 | Root growth rates under nutrient deficiency | 255.6575455 |
| RGR Zn | relative root length | plant growth medium | rate unit | 1 | Root growth rates under nutrient deficiency | 61.51953968 |
| Mean(LRD R) C | root mass density | laboratory study | mass density unit | 1 | Control (C) treatment | 0.4287 |
| RGR P Fe norm | relative root length | plant growth medium | ratio | 1 | Root growth rates under nutrient deficiency | 1.102263372 |
| Z-mean Total length day004 | root length | plant growth medium | micron pixel | 1 | Root growth rates under nutrient deficiency | 207.192571429 |
| RGR P Zn | relative root length | plant growth medium | rate unit | 1 | Root growth rates under nutrient deficiency | 161.2895625 |
| Mean(LRL) CK | lateral root length | cytokinin treatment | millimeter | 1 | Cytokinin (CK) treatment | 0.8098 |
| PZ-mean Total length day003 | root length | plant growth medium | micron pixel | 1 | Root growth rates under nutrient deficiency | 167.015875 |
| Mean(LRL) C | lateral root length | laboratory study | millimeter | 1 | Control (C) treatment | 1.8309 |
| Mean(LRD R) IAA | root mass density | auxin treatment | mass density unit | 1 | Auxin (IAA) treatment | 0.778 |
| Meristem zone length | cell elongation trait | — | micrometer | 1 | Mejion | 173.281 |
