539
Table 5 Source of irrigation water in the study area
Water sources
Mara
Iringa
Total
n
%
n
%
n
%
Own well
17
12.6
12
8.9
29
21.5
Own borehole
3
2.2
0
0
3
2.2
Community borehole
3
2.2
0
0
3
2.2
Small reservoir
3
2.2
0
0
3
2.2
Irrigation canal
18
13.3
22
16.3
40
29.6
River/stream
16
11.9
7
5.2
23
17
Rain-fed
7
5.2
27
20
34
25.2
Table 6 Crops preferred by adopters of different irrigation technologies in the study area
Variable/crop type
Rain-fed
(WC1)
Canal
(WC2)
SW
manual
(WC3a)
GW
manual
(WC3b)
SW motor
pump
(WC4a)
GW motor
pump
(WC4b)
Sample size (no. of
farmers)
18
47
19
29
20
2
Name of the most
important crop under
largest area for the
category
Tomatoes Tomatoes Tomatoes Tomatoes Watermelon Tomatoes
Total acres under the
crop for the WC
8.5
25.5
13.88
8.63
8.75
0.25
Average number of
watering given to this
crop/family
cultivating this crop
–
26
64
42
23
60
Name of the second
most important crop
under largest area for
the category
Maize
Maize
Maize
Maize
Maize
Cucumber
Total acres under the
crop for the water
control
4
10.25
4
5.5
6
0.5
Average number of
watering given/family
cultivating this crop
–
19
20
15
17
35
Name of the third
most important crop
under largest area for
the category
Rice
Beans
Maize
Onions
Cabbage
Chinese
Total acres under the
crop for the WC
3
5.75
3
2.5
3
0.25
Average number of
watering given/family
cultivating this crop
–
19
0
58
24
50
Smallholder Farming in Mara and Iringa Regions, Tanzania: Current Practices…