In Warring States Period (475 BC-221 BC), seeding machines occurred. Ancient animal drawn seed sower is regarded as the ancestor of modern sowers. However, original sowers are different in rows since their varied seeding widths. During the period of Emperor Hanwu, an officer named Zhao Guo invented a tir-feet sower based on single-foot sower and dual-feet sower, and new tool can seed in three rows at the same time, thus to prompt the ancient agriculture.
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In Warring States Period (475 BC-221 BC), seeding machines occurred. Ancient animal drawn seed sower is regarded as the ancestor of modern sowers. However, original sowers are different in rows since their varied seeding widths. During the period of Emperor Hanwu, an officer named Zhao Guo invented a tir-feet sower based on single-foot sower and dual-feet sower, and new tool can seed in three rows at the same time, thus to prompt the ancient agriculture.
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