Louche () was a mobile animal-drawn agricultural

seed drill A seed drill is a device used in agriculture that sows seeds for crops by positioning them in the soil and burying them to a specific depth while being dragged by a tractor. This ensures that seeds will be distributed evenly. The seed drill sow ...

invented by the Chinese agronomist Zhao Guo, a Han official in charge of agricultural production during the reign of

Han Wudi Emperor Wu of Han (156 – 29 March 87BC), formally enshrined as Emperor Wu the Filial (), born Liu Che (劉徹) and courtesy name Tong (通), was the seventh emperor of the Han dynasty of ancient China, ruling from 141 to 87 BC. His reign las ...

in the Han dynasty (156 – 29 March 87 BC). According to the records of ''Political Commentator'' by the Eastern Han dynasty writer

Cui Shi Cui Shi (崔湜; 671–713), courtesy name Chenglan (澄瀾), was a Chinese writer and politician. He served as an official of the Chinese Tang Dynasty and Wu Zetian's Zhou Dynasty, serving as a chancellor during the reigns of Wu Zetian's sons E ...

, the Louche consisted of three feet and thus was called three-legged Lou. The three legs had three ditch diggers under it used for sowing. The Louche was animal powered and was pulled by an ox and the leg of the Louche directly dug a ditch in the flattened soil, sowed the seeds, covered the seeds, and pressed the land flat at the same time. The machine was known for its utility and efficiency for serving several agricultural uses at the same time, while saving time and effort.

References

{{reflist History of agriculture in China Agricultural machinery Chinese inventions Han dynasty