The introduction of pesticides and high-yield grains and better management during the 1960s and 1970s which greatly increased agricultural productivity
After incumbent president Mahmoud Ahmadinejad declared victory in the 2009 Iranian presidential election, protests broke out in major cities across Iran in support of opposition candidates Mir-Hossein Mousavi and Mehdi Karroubi.
The development of high-yield strains of wheat, corn and rice during the 1960s and early 1970s to increase the food supplies and solve the world's hunger problems.
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