Soil Moisture Response to Short-Term Inorganic Fertilization on Tef (Eragrostis tef (Zucc.) Trotter) Crop Varieties in Northern Ethiopia
Table 2
Analysis of variance (ANOVA) for fertilizer rates, tef varieties, and their interaction effects on soil moisture determined at the different crop growth stages in northern Ethiopia (2012 cropping season).
Source
DF
SS
MS
F
P
ANOVA of soil moisture determined at sowing time (0 DAS) with response to fertilizer, variety, and their interaction
Replication
2
2.919E-29
1.459E-29
Fertilizer (F)
3
4.25
1.417
4.250
0.0920ns
Variety (V)
2
1.167
0.5833
1.750
0.2302ns
F × V
6
2.222
0.3703
1.111
0.3416ns
Error
24
8
0.3333
Total
35
15.64
ANOVA of soil moisture determined at 33 days after sowing with response to fertilizer, variety, and their interaction
Replication
2
8.00
4.00
Fertilizer (F)
3
56.25
18.75
8.80
0.0200
Variety (V)
2
22.39
11.20
5.256
0.0810ns
F × V
6
64.9
10.82
5.078
0.1020ns
Error
22
46.89
2.130
Total
35
190.4
ANOVA of soil moisture determined at 49 days after sowing with response to fertilizer, variety, and their interaction
Replication
2
1.500
0.750
Fertilizer (F)
3
150
50
16.11
0.0010
Variety (V)
2
86.38
43.19
13.92
0.0030
F × V
6
298.5
49.75
16.03
0.0010
Error
22
68.27
3.1034
Total
35
603.2
ANOVA of soil moisture determined at 64 days after sowing with response to fertilizer, variety, and their interaction
Replication
2
2.000
1.000
Fertilizer (F)
3
284.3
94.77
22.60
0.0002
Variety (V)
2
61.69
30.845
7.355
0.0300
F × V
6
764.2
127.4
30.37
0.0001
Error
22
92.28
4.194
Total
35
1202.5
ANOVA of soil moisture determined at 84 days after sowing with response to fertilizer, variety, and their interaction
Replication
2
2.000
1.000
Fertilizer (F)
3
314.3
104.8
30.97
0.0001
Variety (V)
2
42.667
21.3335
6.306
0.0350
F × V
6
605
100.8
29.80
0.0001
Error
22
74.43
3.3833
Total
35
1036.4
ANOVA of soil moisture determined at 120 days after sowing with response to fertilizer, variety, and their interaction
Replication
2
2.000
1.000
Fertilizer (F)
3
83
27.67
6.87
0.0321
Variety (V)
2
49.567
24.78
6.153
0.0370
F × V
6
178.8
29.80
7.399
0.0301
Error
22
88.61
4.028
Total
35
399.977
DF = degree of freedom; SS = sum of squares; MS = mean squares; F = calculated value (test statistic); P = probability level; ns = nonsignificant at .
