Agriculture Reference
In-Depth Information
Figure 4.4
:
Layout of Vea Irrigation Scheme.
The current condition of the canals has compelled farmers in areas cut-off
from canal water supply to use motorized pumps to abstract water from
other canals directly to their farms (see Figure 4.5a) or into empty canals
leading to their farms whichever is appropriate. Also some farmers cultivate
in areas which are not designed to receive water from canals. These plots are
located close to the stream which acts as the main drain for the irrigation
scheme. Farmers therefore pump water from the stream carrying excess
water and return flows or from nearby canals to irrigate such farms.
Generally, farmers direct the water from the laterals to their farms by
gravity via furrows onto their fields. Farmers growing vegetables irrigate
their crops by directing the water through the trenches created in between
the beds. A farmer closes the entrances of all trenches with sand before
releasing water to the farm. When the full length of a trench is filled with
water the irrigator seals the opening of the trench with sand and then
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