| MRLN |
Maximum root length (cm) under normal conditions |
root length |
14.5–83.5 |
48.8 |
11.5 |
0.236 |
| MRLD |
Maximum root length (cm) under drought stress |
root length |
8–119 |
49.2 |
17.1 |
0.348 |
| DLRN |
Deep root length rate under normal conditions |
deep root rate |
0.02–0.64 |
0.38 |
0.13 |
0.342 |
| DLRD |
Deep root length rate under drought stress |
deep root rate |
0.02–0.75 |
0.41 |
0.15 |
0.366 |
| MRLR |
Maximum root length ratio (drought stress versus normal) |
root length |
0.23–2.6 |
1 |
0.3 |
0.300 |
| RVSN |
Volume (mL) of shallow (≤ 30 cm) roots under normal conditions |
root volume |
0.4–133.5 |
27.8 |
20 |
0.719 |
| RVSD |
Volume (mL) of shallow (≤ 30 cm) roots under drought stress |
root volume |
0.2–90 |
20.4 |
17.1 |
0.838 |
| RVDN |
Volume (mL) of deep (> 30 cm) roots under normal conditions |
root volume |
0–35 |
3.2 |
4.9 |
1.531 |
| RVDD |
Volume (mL) of deep (> 30 cm) roots under drought stress |
root volume |
0–32 |
2.8 |
4.6 |
1.643 |
| RVTN |
Volume (mL) of total roots under normal conditions |
root volume |
0.4–165.5 |
32.2 |
23.3 |
0.724 |
| RVTD |
Volume (mL) of total roots under drought stress |
root volume |
0.2–125 |
24.3 |
20.9 |
0.860 |
| DVRN |
Deep root volume rate under normal conditions |
deep root rate |
0.01–0.33 |
0.08 |
0.05 |
0.625 |
| DVRD |
Deep root volume rate under drought stress |
deep root rate |
0–0.5 |
0.07 |
0.07 |
1.000 |
| RWSN |
Dry weight (g) of shallow (≤ 30 cm) roots under normal conditions |
root weight |
0.08–32.35 |
4.74 |
3.74 |
0.789 |
| RWSD |
Dry weight (g) of shallow (≤ 30 cm) roots under drought stress |
root weight |
0.03–21.3 |
3.48 |
2.87 |
0.825 |
| RWDN |
Dry weight (g) of deep (> 30 cm) roots under normal conditions |
root weight |
0–11.75 |
0.62 |
0.94 |
1.516 |
| RWDD |
Dry weight (g) of deep (> 30 cm) roots under drought stress |
root weight |
0–7.35 |
0.52 |
0.73 |
1.404 |
| RWTN |
Dry weight (g) of total roots under normal conditions |
root weight |
0.08–32.65 |
5.73 |
4.39 |
0.766 |
| RWTD |
Dry weight (g) of total roots under drought stress |
root weight |
0.05–28.65 |
4.31 |
3.48 |
0.807 |
| DWRN |
Deep root weight rate under normal conditions |
deep root rate |
0–0.72 |
0.08 |
0.07 |
0.875 |
| DWRD |
Deep root weight rate under drought stress |
deep root rate |
0–0.87 |
0.09 |
0.1 |
1.111 |
