Answer: The great increase in production of food grains (such as rice and wheat) due to the introduction of high-yielding varieties, to the use of pesticides, and to better management techniques.
Explanation: Therefore, the reason why it was called green revolution is because The Green Revolution was a period when the productivity of global agriculture increased drastically as a result of new advances. These new farming techniques and advances in agricultural technology were utilized by farmers all over the world, and when combined, intensified the results of the Green Revolution.