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Keywords:
MANUAL,
RECOVERY,
SHALLOW,
GROUNDWATER,
IRRIGATION,
FARMING,
FARMERS,
PHYSICAL,
RESOURCES,
SOILS,
WATER,
EXPLOITATION,
PUMPS,
POWER,
SOURCES,
PERFORMANCE,
AGRICULTURE,
WATER RESOURCES,
COUNTRIES,
DEVELOPING,
DAMBOS,
CULTIVATION,
RURAL,
AREAS,
PLOTS,
BUMI,
AFRICA,
ZIMBABWE,
RHODESIA
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© Thomas Telford and ICE
1991
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