Measuring Soil Fertility under Hagenia abyssinica (Bruce) J. F. Gmel by the Biotest Method
Table 1
Plant height (cm) of indicator plants.
Site
Crop type
Treatment
Time after planting (day)
15
30
45
60
75
90
105
120
Kofele
Linseed
T1
4a
7b
18b
43b
51a
53a
57a
62a
T2
4a
7a
15a
34a
42b
44b
50b
50b
SD
0.4
1.7
2.8
9.3
8.4
8.6
7.7
8.5
Bale
Barley
T1
3a
4a
11a
29a
34a
63a
71a
—
T2
3a
4a
10a
23a
33a
56a
60b
—
SD
1.8
2.7
2.5
6.5
7.9
12.3
11.5
—
Debark
Wheat
T1
1a
5a
11a
34a
39a
53a
61a
—
T2
1a
4b
10a
25b
32b
42a
49b
—
SD
0.3
1.7
2.4
6.8
6.5
10.8
9.8
—
Means with different letters within a column are significantly different (). T1: forest soil (Hagenia-influenced soil); T2: farmland soil; SD: standard deviation.