Agriculture Reference
In-Depth Information
TABLE 12.10
Effect of Land Use and Conservation
Structures on Soil Loss (Mg/ha/year)
Land Use
No Structures
Structures
Annuals
38.5
15.5
Banana
6.6
3.2
Banana-coffee
0.9
0.2
sed
6.1
8.11
Source:
Adapted from Semalulu, O., D. Kimaro, V.
Kasenge, M. Isabirye, and P. Makhosi,
Inter-
national Journal of Agricultural Sciences
, 2,
256, 2012. With permission.
Note:
sed, standard deviation.
Present
miraba
on sloping land
FIGURE 12.3
Miraba
: An indigenous soil and water conservation technology on the sloping
land of Usambara Mountains Tanzania. (Adapted from Msita H.B. et al. 2012. Effectiveness
of miraba an indigenous soil and water conservation measures on reducing runoff and soil
loss in arable land of Western Usambara Mountains. Paper presented to the EGU General
Assembly 2012, in Vienna Austria, 22nd-27th April 2012.)
plot, and
miraba
treatments (Table 12.11). However, the soil loss was not different
(
P
< .05) between
miraba
and
miraba
with FYM and mulching (Table 12.11).
Miraba
is effective in controlling soil loss by 99%. There is a significant (
P
< .05) difference
among nutrient losses obtained in the bare plot, cropped plot, and
miraba
land uti-
lization types (Table 12.11).
Miraba
is effective in controlling all nutrient losses by
>83%. The soil losses are lower in bare and control plots in the short rainy season
