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From Plows, Horses, and Harnesses to Precision Technologies in the North American Great Plains  

David E. Clay, Sharon A. Clay, Thomas DeSutter, and Cheryl Reese

Since the discovery that food security could be improved by pushing seeds into the soil and later harvesting a desirable crop, agriculture and agronomy have gone through cycles of ... More

Quaternary Science  

Kenneth Addison

This is an advance summary of a forthcoming article in the Oxford Research Encyclopedia of Environmental Science. Please check back later for the full article. ... More

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