SOCIO-ECONOMIC BENEFITS OF IRRIGATION USING BORROW PIT WATER
SOCIO-ECONOMIC BENEFITS OF IRRIGATION USING BORROW PIT WATER
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Date
1994-03
Authors
ATTAH, DANIEL AIMAJE
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Abstract
Prior' if) 1919, borrow pits excavated into clay pans to collect
and retain rainfall and local run-off served as a major water
supply source to the settled Fulanis in the Wawa bush of the
present Bauchi state, Nigeria.
Attempts to make them a regular water supply source in lateryears
failed mainly due to lack of maintenance.
In the arid regions of Mexico, Arizona and Negev desert,they
have been used to harvest local run-off for small-sea
irrigation of food and cash crops.However,the cost of excavation
makes the use of Lateritic /gravel pits for road base
Construction more attractive.
The Irrigation scheme using water from 1 ater i t i (-/gravel pit
at Hanwa in Zaria, Nigeria and the Socio-economic bene fits of
the irrigation scheme are evaluated.
The feasibi] Lty study shows that at Least 2.53ha-m of wafer is
being conserved annually and this could irrigate about 5ha of
farm land. The analysis of the water shows that it is suitable
for irrigation of most crops on most soils.
The economic appraisal of the irrigation scheme shows that it is
viable. The benefit/cost ratio ranged from 1.2 to 3.7 and varied
for each farm with an average of 1.88. It is observed that
encouraging the use of borrow pits to harvest, run-off for small
scale irrigation could provide solution to the decreasing food
production in the country.
Description
A THESIS SUBMITTED TO THE POSTGRADUATE SCHOOL,
AHMADU BELLO UNIVERSITY, ZARIA,TN PARTIAL FULFILLMENT
OF THE REQUIREMENTS FOR THE AWARD OF THE DEGREE OF
MASTER OF SCIENCE IN WATER RESOURCES AND ENVIRONMENTAL
ENGINEERING.
DEPARTMENT OF WATER RESOURCES
AND ENVIRONMENTAL ENGINEERING
AHMADU BELLO UNIVERSITY
ZARIA, NIGERIA.
MARCH,1994.
Keywords
SOCIO-ECONOMIC,, BENEFITS,, IRRIGATION,, BORROW,, PIT WATER.