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Lesson 4 how have we increased food


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Lesson 4 how have we increased food

  1. 1. Lesson 4 - How have we increased food
  2. 2. From last lesson Make a list of the main staple foods of the world and the places (continents) where they are grown. • Cereals: wheat, barley, rye, oats, maize, rice • Root vegetables: potatoes, yams, taro, cassava • Legumes: soya beans, sago • Fruits: breadfruit, plantains Cultivation! • Fish: coastal areas in developing countries • Wheat: across the world • Maize: throughout the Americas originally, then spread to the rest of the world, especially the United States
  3. 3. Environmental factors
  4. 4. The Green Revolution refers to a series of research, and development, and technology transfer initiatives, occurring between the 1940s and the late 1960s, that increased agricultural production worldwide, particularly in the developing world, beginning most markedly in the late 1960s.