Redox potentials and denitrification in a cropped potato processing waste water disposal field

Smith, J.H., Gilbert, R.G.. and Miller, J.B. (1976) Redox potentials and denitrification in a cropped potato processing waste water disposal field. Journal of Environmental Quality, 5 4: 397-399.


Author Smith, J.H.
Gilbert, R.G..
Miller, J.B.
Title Redox potentials and denitrification in a cropped potato processing waste water disposal field
Journal name Journal of Environmental Quality   Check publisher's open access policy
ISSN 0047-2425
1537-2537
Publication date 1976-10-01
Sub-type Article (original research)
Volume 5
Issue 4
Start page 397
End page 399
Total pages 3
Place of publication Madison, WI, United States
Publisher American Society of Agronomy
Language eng
Abstract Many potato processors apply processing waste water containing nitrogen and other plant nutrients to cropped land. More than 1 metric ton of N per hectare was applied each year when waste water application averaged 230 cm/year on one field for 2 years. Less than 300 kg N/ha was recovered in the harvested grass hay, and only about 15 kg N/ha leached each season. Redox measurements made at several depths from 5 to 150 cm showed poorly aerated zones in the soil profile because of a high water table during the summer. Under these conditions, nitrate leached into these poorly aerated zones would be denitrified. Sufficient decomposable organic matter was present to provide energy for denitrification.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Chemistry and Molecular Biosciences
Centre for Nutrition and Food Sciences Publications
 
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Created: Tue, 08 Mar 2011, 01:57:27 EST