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In the past, the expansion of arableland through clearing and plowing was a common method used by peasant farmers to increase food production. However, this means of expanding agricultural land is seldom feasible today. The increase… Read More » How to Enhance Crop Improvement in Agriculture
In China, for example, research shows that plastic field covers keep the soil warm and wet in a way that boosts productivity considerably; an additional 15,000 square miles of arableland—an area about the size of Switzerland—would be required to produce the same amount of food.
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