The introduction of pesticides and high-yield grains and better management during the 1960s and 1970s which greatly increased agricultural productivity 
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The Green Revolution refers to the series of research and developm,occuring between the 1940s and the late 1960s that increased thae agricultural production worldwide mainly in the developing countries.The term "Green Revolution" was first used in 1968 by former United States Agency for International Development (USAID) director William Gaud.This involved the development of high- yielding varities of cereal grains,expansion of irrgation infrastructure,distribution of hybrid seeds.