Trait Abbreviation K-value P-Value
Maximum root depth(cm) MRD 0.409 0.008
Root diameter (mm) RD 0.211 0.789
Specific root length (cm·g-1) SRL 0.301 0.199
specific root area (cm2·g-1) SRA 0.206 0.794
Root tissue density (g·cm-3) RTD 0.278 0.309
Topological index TI 0.166 0.936