| Mean(TRL) C | root length | laboratory study | millimeter | 1 | Control (C) treatment | 36.0851 |
| Mean(LR.no) C | lateral root number | laboratory study | count unit | 1 | Control (C) treatment | 3.0 |
| Mean(TRL) ABA | lateral root length | abscisic acid treatment | millimeter | 1 | Abscisic acid (ABA) treatment | 28.8892 |
| root length day007 minusZn | root length | plant growth medium | micron pixel | 1 | Root growth under Zn deficiency Bouain et al. 2018 | 837.176888889 |
| MS-mean Total length day003 | root length | plant growth medium | micron pixel | 1 | Root growth rates under nutrient deficiency | 161.2976364 |
| root length day006 minusZn | root length | plant growth medium | micron pixel | 1 | Root growth under Zn deficiency Bouain et al. 2018 | 722.853090909 |
| deltaRGR P Fe norm on Fe norm | relative root length | plant growth medium | ratio | 1 | Root growth rates under nutrient deficiency | 0.747556872 |
| root length day007 | root length | plant growth medium | micron pixel | 1 | Root growth under Zn deficiency Bouain et al. 2018 | 989.0858333 |
| RGR P Zn norm | relative root length | plant growth medium | ratio | 1 | Root growth rates under nutrient deficiency | 0.875184337 |
| MS-mean Total length day004 | root length | plant growth medium | micron pixel | 1 | Root growth rates under nutrient deficiency | 323.775 |
| RGR Zn | relative root length | plant growth medium | rate unit | 1 | Root growth rates under nutrient deficiency | 101.482 |
| Mean(LRD R) C | root mass density | laboratory study | mass density unit | 1 | Control (C) treatment | 0.3836 |
| RGR P Fe norm | relative root length | plant growth medium | ratio | 1 | Root growth rates under nutrient deficiency | 1.192859905 |
| Z-mean Total length day004 | root length | plant growth medium | micron pixel | 1 | Root growth rates under nutrient deficiency | 257.239090909 |
| RGR P Zn | relative root length | plant growth medium | rate unit | 1 | Root growth rates under nutrient deficiency | 128.71025 |
| Mean(LRL) CK | lateral root length | cytokinin treatment | millimeter | 1 | Cytokinin (CK) treatment | 1.5045 |
| PZ-mean Total length day003 | root length | plant growth medium | micron pixel | 1 | Root growth rates under nutrient deficiency | 209.0354 |
| Mean(LRL) C | lateral root length | laboratory study | millimeter | 1 | Control (C) treatment | 2.1929 |
| Mean(LRD R) IAA | root mass density | auxin treatment | mass density unit | 1 | Auxin (IAA) treatment | 0.644 |
| Meristem zone length | cell elongation trait | — | micrometer | 1 | Mejion | 173.4 |
