|
Factor
|
df
|
F ratio and probability
|
|---|
|
Above-ground biomass (AGB)
|
Below-ground biomass (BGB)
|
Total biomass
|
AGB–BGB ratio
|
Root length
|
|---|
|
Materials (M)
|
1
|
64.76***
|
1.92ns
|
25.55***
|
64.27***
|
246.88***
|
|
Concentration (C)
|
2
|
10.54***
|
50.81***
|
9.71***
|
93.17***
|
180.34***
|
|
Density (D)
|
3
|
37.02***
|
23.85***
|
40.55***
|
5.20**
|
154.91***
|
|
M × C
|
2
|
11.03***
|
4.44*
|
4.55*
|
27.20***
|
19.55***
|
|
M × D
|
3
|
7.41***
|
1.57ns
|
3.41*
|
11.98***
|
16.25***
|
|
C × D
|
6
|
6.91***
|
3.78**
|
6.10***
|
2.06ns
|
6.19***
|
|
M × C × D
|
6
|
1.00ns
|
1.34ns
|
1.01ns
|
2.96*
|
2.29*
|
|
Error
|
48
| | | | | |
|
Total
|
72
| | | | | |
- Data used as % of control. Level of significance: ***, **, * and ns indicate significant difference at P ≤ 0.001, P ≤ 0.01, P ≤ 0.05 and non-significant respectively
