(a) Name four irrigation schemes within the Nile Basin(two in Egypt and two in Sudan)
(b) Select any one of the schemes and describe the factors which have favoured its development
(c) Outline the contributions of the scheme in (b) above to the economic development of the area
(d) Highlight any three problems associated with irrigation schemes in the Nile Valley
(a) Four irrigation schemes (ie. two in Egypt) are
Aswan and Khasimel Girba and (two in Sudan) are Gezira and Managil
(b) Favourable factors for one of the schemes (Gezira) include
(i) Unreliable rainfall
(ii) High rate of evaporation
(iii) Presence of River Nile
(iv) Need to control flooding
(c) Contributions of the schemes to economic development include:
(i) Production of food crops
(ii) Production of cash crops
(iii) Revenue to the government
(iv) Provision of tourism
(d) Three problems associated with irrigation schemes include:
(i) The problem of siting of the dam
(ii) High cost of resettlement
(iii) Disaster occasioned by flooding
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