Food & agriculture · c. 1961

Green Revolution

Semi-dwarf wheat plus fertilizer and irrigation doubled yields and averted forecast famines.

Norman Borlaug's semi-dwarf wheats spread from Mexico to India and Pakistan in the 1960s, where wheat harvests nearly doubled in six years. Cereal output in developing countries roughly tripled between 1961 and 2000 while cropland grew only about 30 percent.

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