Africa: Irrigation

What is the definition of irrigation?

• The application of water to the soil to promote crop growth

• The cultivation of crops in a region of high rainfall

• The felling of economic trees in the forest

• The extraction of minerals from the soil

What is a river basin?

• An area drained by a river and its tributaries

• A large body of water

• A region with high rainfall

• A type of irrigation method

Which method of irrigation is mostly practiced in September and October when the floods of the Nile begin to rise?

• Basin or Flooding Method

• Perennial Method

• Sakia Method

• Shaduf Method

What is the process of the Shaduf Method?

• Transporting crops to markets

• Lifting water from a river or a well to the surface

• Building dams

• Generating electricity

What is one of the problems of irrigation in the Nile Basin?

• Abundance of mineral salt promoting plant growth

• Lack of demand for agricultural products

• Excessive rainfall causing flooding

• Fluctuation of water levels affecting crop quality

What is the main advantage of irrigation?

• Facilitating the cultivation of crops in a region of low rainfall

• Causing environmental damage

• Reducing employment opportunities

• Decreasing revenue for farmers

What is the definition of lumbering?

• The construction of dams in a forest

• The cultivation of crops in a forest

• The extraction of minerals from a forest

• The felling of economic trees in the forest for various purposes

What is the purpose of the Kainji dam in Nigeria?

• Generating electricity

• Providing water for irrigation

• Promoting tourism

• Preventing flooding

What is the demand for agricultural products in the Niger Basin?

• No demand for agricultural products

• High demand by people in different countries

• Demand only for industrial crops

• Low demand due to excess rainfall

What is the source of revenue for farmers due to irrigation?

• Fishing

• Hunting animals

• Selling agricultural products

• Mining minerals