Table 9 Validation of independently fitted models
From: Allometric equations for estimating belowground biomass of Androstachys johnsonii Prain
Model form # | Inside the study area (n = 21) | Outside the study area (n = 16) | Total (n = 37) | ||||||
|---|---|---|---|---|---|---|---|---|---|
AD (%) | V | p-value | AD (%) | V | p-value | AD (%) | V | p-value | |
Root collar | |||||||||
 1 | −3.8062 | 144.0 | 0.3377 | 0.9789 | 61.0 | 0.7436 | −1.4127 | 399.0 | 0.6880 |
 2 | −2.9985 | 146.0 | 0.3038 | 2.6842 | 61.0 | 0.7436 | −1.6542 | 418.0 | 0.4998 |
 3 | −2.2222 | 141.0 | 0.3926 | 3.6755 | 60.0 | 0.7057 | −1.1550 | 409.0 | 0.5856 |
 4 | −6.0617 | 120.0 | 0.8917 | 2.8364 | 64.0 | 0.8603 | −2.3628 | 380.0 | 0.8974 |
Taproot | |||||||||
 1 | −2.3818 | 127.0 | 0.7079 | 4.1225 | 63.0 | 0.8209 | −0.4035 | 392.0 | 0.7634 |
 2 | −1.7091 | 121.0 | 0.8649 | 5.7234 | 63.0 | 0.8209 | −0.8994 | 378.0 | 0.9201 |
 3 | −1.6672 | 121.0 | 0.8649 | 5.7082 | 63.0 | 0.8209 | −0.7959 | 378.0 | 0.9201 |
 4 | −5.3688 | 123.0 | 0.8117 | 3.5819 | 64.0 | 0.8603 | −2.8804 | 397.0 | 0.7093 |
Lateral roots | |||||||||
 1 | −1.1701 | 119.0 | 0.9187 | 2.7810 | 50.0 | 0.3755 | 4.3074 | 317.0 | 0.4465 |
 2 | 0.1249 | 117.0 | 0.9729 | 4.4842 | 48.0 | 0.3225 | 5.0567 | 310.0 | 0.3885 |
 3 | 0.2054 | 118.0 | 0.9457 | 5.4708 | 47.0 | 0.2979 | 4.2389 | 304.0 | 0.3425 |
 4 | −3.8743 | 139.0 | 0.4319 | 5.9664 | 62.0 | 0.7820 | 3.7639 | 375.0 | 0.9543 |
Root system | |||||||||
 1 | −1.7047 | 131.0 | 0.6091 | 3.4307 | 52.0 | 0.4332 | 2.2047 | 346.0 | 0.7308 |
 2 | −1.2378 | 123.0 | 0.8117 | 4.4345 | 52.0 | 0.4332 | 2.0331 | 327.0 | 0.5371 |
 3 | −0.8691 | 113.0 | 0.9457 | 5.3854 | 48.0 | 0.3225 | 1.7691 | 318.0 | 0.4551 |
 4 | −5.4699 | 129.0 | 0.6578 | 3.6655 | 61.0 | 0.7436 | −0.3734 | 366.0 | 0.9543 |