Using Lysimeters and Tile Drained Field Plots to Study the Leaching of Field Applied Poultry Manure and UAN into Tile Water
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Since 1905, the Department of Agricultural Engineering, now the Department of Agricultural and Biosystems Engineering (ABE), has been a leader in providing engineering solutions to agricultural problems in the United States and the world. The department’s original mission was to mechanize agriculture. That mission has evolved to encompass a global view of the entire food production system–the wise management of natural resources in the production, processing, storage, handling, and use of food fiber and other biological products.
History
In 1905 Agricultural Engineering was recognized as a subdivision of the Department of Agronomy, and in 1907 it was recognized as a unique department. It was renamed the Department of Agricultural and Biosystems Engineering in 1990. The department merged with the Department of Industrial Education and Technology in 2004.
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1905–present
Historical Names
- Department of Agricultural Engineering (1907–1990)
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- College of Agriculture and Life Sciences (parent college)
- College of Engineering (parent college)
- Department of Industrial Education and Technology, (merged, 2004)
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Abstract
Six lysimeters and eleven tile drained field plots were used to determine if the amount of contaminants leaching into tile water would increase after the application of poultry manure and urea ammonium nitrate fertilizer (UAN). There were three nitrogen based treatments applied to the lysimeters and fields: 168 kg N/ha of UAN, 168 kg N/ha of poultry manure, and 336 kg N/ha of poultry manure. (One treatment per lysimeter/field plot.) Corn was planted in the lysimeters and field plots, as well as soybeans in the field plots, in order to simulate field conditions. Tile water samples were collected once a week and after rain events and tested for nitrate, total phosphate, orthophosphate, E. coli, and total coliform. Results thus far indicate that larger amounts of manure/fertilizer applied to lysimeters/field plots appear to predispose the lysimeters and field plot soils to greater contaminate leaching potential. E. coli, total coliform, and total phosphate leaching increased when heavy rain events occurred, while nitrate and orthophosphate leaching decreased.
Comments
This is an ASAE Meeting Presentation, Paper No. 022144.