The Sumerians increased food production primarily through the following two methods:
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Irrigation: The Sumerians developed sophisticated irrigation systems that allowed them to control water from rivers and distribute it to their fields. This enabled them to cultivate crops more effectively, even in areas that were not naturally fertile.
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Crop Rotation and Agriculture Techniques: They practiced crop rotation and improved agricultural techniques, which helped to maintain soil fertility and increase yields. By alternating different crops and using methods like plowing and sowing seeds at optimal times, they maximized their food production.
These innovations played a crucial role in supporting the growing population and the development of Sumerian society.