打谷
打谷又稱脱粒、脫谷[1][2]，是指禾本科植物的可食用部分（種子）與秸秆分離的過程[3]。
打谷历史
在工業革命前，脱粒既费时又费力。 [4]18世纪后期脫粒機出現後，打谷效率迅速提高[5][6]。
参考文献
- ^ thrash | Etymology, origin and meaning of thrash by etymonline. www.etymonline.com. [2022-07-29]. （原始内容存档于2022-10-16） （英语）.
- ^ Sweet Clover: Harvesting and Thrashing the Seed Crop, by H. S. Coe, a Project Gutenberg eBook.. www.gutenberg.org. [2022-07-29]. （原始内容存档于2022-07-29）.
- ^ threshing. encyclopedia.com. [22 February 2021]. （原始内容存档于2016-03-24）.
- ^ Atack, Jeremy; Passell, Peter. A New Economic View of American History. New York: W.W. Norton and Co. 1994: 282–3. ISBN 0-393-96315-2.
- ^ The Bob & Diane Miller Collection - Wheat Threshing (1993). Texas Archive of the Moving Image. [November 19, 2019].
- ^ Clark, Gregory. A Farewell to Alms: A Brief Economic History of the World. Princeton University Press. 2007: 286. ISBN 978-0-691-12135-2.