Green reolution is a new approach to agliculture. In the world, food production doubled with a new types of grain use chemicals and farm machinery. But in future, these methods can't be done succesfully because of many kinds of reasons. The expense of the new farming technology and water are expensive and grains are more easily damaged by insects. So, many farmers can't afford to buy all the chemicals and equipment. Besides that, green revolution has brought about social and political conflict. The large landowners dominated by the land from smaller farmers. So, it is increase about the social tensions. For these reason, the government and farmers need to look at the overall picture and long term effects to find a new methods to solve the problem of the world's hungry people.
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