| Mean(LRR) IAA | root mass density | auxin treatment | mass density unit | 1 | Auxin (IAA) treatment | 0.5276 |
| Size spain 2009 (1st experiment) | — | — | centimeter | 1 | Flowering time in simulated seasons | 11.675 |
| F-mean Total length day005 | root length | plant growth medium | micron pixel | 1 | Root growth rates under nutrient deficiency | 174.08875 |
| Z-mean Total length day003 | root length | plant growth medium | micron pixel | 1 | Root growth rates under nutrient deficiency | 82.95175 |
| Mature cell length | cell elongation trait | — | micrometer | 1 | Mejion | 149.585 |
| PF-mean Total length day004 | root length | plant growth medium | micron pixel | 1 | Root growth rates under nutrient deficiency | 238.588818182 |
| Mean(P2) C | root length | laboratory study | millimeter | 1 | Control (C) treatment | 14.551 |
| area 15d protocol b | in vitro plant structure morphology trait | in vitro solid growth medium | area unit | 17 | Genetic dissection of shoot regeneration from root explants in Arabidopsis (Lardon et al., 2020) | 59108.7058824 |
| Mean(LRD P) CK | root mass density | cytokinin treatment | mass density unit | 1 | Cytokinin (CK) treatment | 0.1322 |
| Z-mean Total length day005 | root length | plant growth medium | micron pixel | 1 | Root growth rates under nutrient deficiency | 237.154111111 |
| Mean(LR.no) CK | lateral root number | cytokinin treatment | count unit | 1 | Cytokinin (CK) treatment | 4.0 |
| root length day004 | root length | plant growth medium | micron pixel | 1 | Root growth under Zn deficiency Bouain et al. 2018 | 610.4212857 |
| Mean(TRL) C | root length | laboratory study | millimeter | 1 | Control (C) treatment | 34.8495 |
| root-like structures 21d protocol b | in vitro plant structure morphology trait | in vitro solid growth medium | count unit | 17 | Genetic dissection of shoot regeneration from root explants in Arabidopsis (Lardon et al., 2020) | 6.82352941176 |
| Mean(TRL) ABA | lateral root length | abscisic acid treatment | millimeter | 1 | Abscisic acid (ABA) treatment | 25.4542 |
| MS-mean Total length day003 | root length | plant growth medium | micron pixel | 1 | Root growth rates under nutrient deficiency | 102.028375 |
| Trichome density | leaf trichome density | growth chamber study | dimensionless unit | 1 | trichome_development_epidermis_metal_traits | 3.0 |
| RGR P Fe norm | relative root length | plant growth medium | ratio | 1 | Root growth rates under nutrient deficiency | 0.790371399 |
| Trichome circularity | trichome morphology trait | growth chamber study | dimensionless unit | 1 | trichome_development_epidermis_metal_traits | 0.06592 |
| undefined structures 15d protocol b | in vitro plant structure morphology trait | in vitro solid growth medium | count unit | 17 | Genetic dissection of shoot regeneration from root explants in Arabidopsis (Lardon et al., 2020) | 0.352941176471 |