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14 декабря, 2021
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Effect of different treatments on soil moisture
The soil moisture content of each treatment and analysis of variance of the soil moisture content were respectively shown in table 4-5 and table 4-6.
|
IntervalTrea tments |
A |
B |
C |
D |
E |
F |
|
1 |
19.49 |
19.29 |
19.31 |
18.06 |
20.97 |
17.82 |
|
2 |
2o.53 |
2o.33 |
19.35 |
18.25 |
19.43 |
15.4 |
|
3 |
19.21 |
18.52 |
2o.15 |
18.15 |
21.04 |
16.47 |
|
Mean |
19.74 |
19.38 |
19.61 |
18.16 |
20.48 |
16.56 |
|
Table 4-5. The soil moisture content of each treatment |
|
Source |
SS |
DF |
MS |
F |
P-value |
F0.05 |
|
Interval |
0.2636 |
2 |
0.1318 |
0.1777 |
0.8398 |
4.1028 |
|
Treatments |
29.7137 |
5 |
5.9427 |
8.0105 |
0.0028 |
3.3258 |
|
Error |
7.4187 |
10 |
0.7419 |
|||
|
Total |
37.3960 |
17 |
|
Table 4-6. Analysis of variance of the soil moisture content |
Table 4-6 showed that there were significant differences among treatments. Multiple comparisons of the soil moisture content among treatments were shown in table 4-7.
Mean difference (%)
|
Treatment _ ____ ___ ____ ___ ____ _ _ _ _ LSDo. ce LSD0.01
|
Notes: The significance of symbols was as same as table 4-4.
Table 4-7. Multiple comparisons of the soil moisture content among treatments
The results showed that there were significant differences between three kinds of biogas residue fibre film, plastic film and control; there were significant differences between black film and control; there were significant differences between plastic film and black film. There were significant differences between A, C of biogas residue fibre film and black film;
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there were not significant differences between B of biogas residue fibre film and black film; there were not significant differences between three kinds of biogas residue fibre film and plastic film. It can be seen, soil moisture of biogas residue fibre film was significantly higher than control and black film, and there were not significant difference as compared with plastic film.