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Ergonomic Study on the Process of Mastering Reversible Plow Operation using Ride-on Tractor
ride-on tractor reversible plow physiological strain
2010/12/2
This research was mainly conducted to obtain basic ergonomic data about tractor operator performance and to analyze the mastering process of tractor operation, especially reversible moldboard-plowing ...
“Rain Follows the Plow” and Dryfarming Doctrine: The Climate Information Problem and Homestead Failure in the Upper Great Plains, 1890 -1925
Rain Follows the Plow Dryfarming Doctrine The Climate Information Problem Homestead Failure Upper Great Plains
2014/6/25
In the late 19th and early 20th centuries, the North American agricultural frontier moved into semi- arid regions of the Great Plains where farming was vulnerable to drought. Farmers who migrated to t...