Effect of Biochar on Soil Properties, Soil Loss, and Cocoyam Yield on a Tropical Sandy Loam Alfisol
Table 2
Effect of biochar on some selected soil physical properties in 2017 and 2018.
Year
Biochar rate (t ha−1)
Bulk density (Mg m−3)
Porosity (%)
Moisture content (%)
MWD (mm)
DR (%)
IR (cm hr−1)
Soil loss (cm)
Soil loss (kg ha−1)
2017
0
1.58a
40.4d
9.6d
1.06d
71a
10.6d
2.25a
355.5a
10
1.44b
45.7c
11.2c
1.41c
65b
17.7c
1.75b
252.0b
20
1.30c
50.9b
13.1b
1.61b
60c
21.4b
1.20c
156.0c
30
1.08d
59.2a
14.9a
1.82a
55d
24.1a
1.10d
118.0d
2018
0
1.59a
40.0d
10.1d
1.05d
72a
10.1d
2.29a
365.1a
10
1.38b
47.9c
12.6c
1.55c
61b
18.2c
1.70b
234.6b
20
1.20c
54.7b
14.6b
1.71b
56c
23.4b
1.09c
130.8c
30
0.91d
66.0a
15.9a
1.95a
48d
27.7a
0.75d
68.25d
Year (Y)
Biochar (B)
Y × B
Values followed by similar letters under the same column are not significantly different at according to Duncan’s multiple range test; MWD = mean weight diameter of soil aggregate; DR = dispersion ratio; IR = infiltration rate.
