| Mean(LR.no) C | lateral root number | laboratory study | count unit | 1 | Control (C) treatment | 1.0 |
| Mean(TRL) ABA | lateral root length | abscisic acid treatment | millimeter | 1 | Abscisic acid (ABA) treatment | 24.045 |
| root length day007 minusZn | root length | plant growth medium | micron pixel | 1 | Root growth under Zn deficiency Bouain et al. 2018 | 536.827714286 |
| MS-mean Total length day003 | root length | plant growth medium | micron pixel | 1 | Root growth rates under nutrient deficiency | 70.94175 |
| root length day006 minusZn | root length | plant growth medium | micron pixel | 1 | Root growth under Zn deficiency Bouain et al. 2018 | 467.334888889 |
| deltaRGR P Fe norm on Fe norm | relative root length | plant growth medium | ratio | 1 | Root growth rates under nutrient deficiency | 0.529113858 |
| root length day007 | root length | plant growth medium | micron pixel | 1 | Root growth under Zn deficiency Bouain et al. 2018 | 703.1004286 |
| RGR P Zn norm | relative root length | plant growth medium | ratio | 1 | Root growth rates under nutrient deficiency | 1.24119373 |
| MS-mean Total length day004 | root length | plant growth medium | micron pixel | 1 | Root growth rates under nutrient deficiency | 164.181625 |
| RGR Zn | relative root length | plant growth medium | rate unit | 1 | Root growth rates under nutrient deficiency | 74.91581818 |
| Mean(LRD R) C | root mass density | laboratory study | mass density unit | 1 | Control (C) treatment | 0.0969 |
| RGR P Fe norm | relative root length | plant growth medium | ratio | 1 | Root growth rates under nutrient deficiency | 1.002093533 |
| Z-mean Total length day004 | root length | plant growth medium | micron pixel | 1 | Root growth rates under nutrient deficiency | 118.872090909 |
| RGR P Zn | relative root length | plant growth medium | rate unit | 1 | Root growth rates under nutrient deficiency | 128.7641833 |
| Mean(LRL) CK | lateral root length | cytokinin treatment | millimeter | 1 | Cytokinin (CK) treatment | 0.718 |
| PZ-mean Total length day003 | root length | plant growth medium | micron pixel | 1 | Root growth rates under nutrient deficiency | 103.5499 |
| Mean(LRL) C | lateral root length | laboratory study | millimeter | 1 | Control (C) treatment | 0.6776 |
| Mean(LRD R) IAA | root mass density | auxin treatment | mass density unit | 1 | Auxin (IAA) treatment | 0.67 |
| Meristem zone length | cell elongation trait | — | micrometer | 1 | Mejion | 228.103 |
| RGR MS | relative root length | plant growth medium | rate unit | 1 | Root growth rates under nutrient deficiency | 103.7422122 |
