JEQ
HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
QUICK SEARCH:   [advanced]


     

Published online 5 July 2005
Published in J Environ Qual 34:1354-1362 (2005)
DOI: 10.2134/jeq2004.0226
© 2005 American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
This Article
Right arrow Abstract Freely available
Right arrow Full Text Free
Right arrow Full Text (PDF) Free
Right arrow Alert me when this article is cited
Right arrow Alert me if a correction is posted
Services
Right arrow Similar articles in this journal
Right arrow Similar articles in ISI Web of Science
Right arrow Similar articles in PubMed
Right arrow Alert me to new issues of the journal
Right arrow Download to citation manager
Citing Articles
Right arrow Citing Articles via ISI Web of Science (2)
Right arrow Citing Articles via Google Scholar
Google Scholar
Right arrow Articles by Stoddard, C. S.
Right arrow Articles by Thom, W. O.
Right arrow Search for Related Content
PubMed
Right arrow PubMed Citation
Right arrow Articles by Stoddard, C. S.
Right arrow Articles by Thom, W. O.
Agricola
Right arrow Articles by Stoddard, C. S.
Right arrow Articles by Thom, W. O.
Related Collections
Right arrow Ground Water Quality
Right arrow Nutrients
Right arrow Pesticides
Right arrow Best Management Practices
Right arrow Infiltration
Right arrow Other Environmental Contamination

Fertilizer, Tillage, and Dairy Manure Contributions to Nitrate and Herbicide Leaching

C. S. Stoddarda, J. H. Groveb,*, M. S. Coyneb and W. O. Thomb

a University of California Cooperative Extension Service-Merced County, 2145 Wardrobe Avenue, Merced, CA 95340-6496
b Department of Plant and Soil Sciences, N-122 Agricultural Science-North, University of Kentucky, Lexington, KY 40546-0091



View larger version (27K):

[in a new window]
  		Fig. 1. Flow-weighted leachate NO3–N, by seasonal period, as affected by spring manuring and fertilizer N applications, averaged across the two tillage systems. The horizontal line at 10 mg NO3––N L–1 is the USEPA drinking water standard.

 


View larger version (24K):

[in a new window]
  		Fig. 2. Flow-weighted leachate NO3–N, by seasonal period, as affected by the timing of manure application to no-tillage soil. The horizontal line at 10 mg NO3––N L–1 is the USEPA drinking water standard.

 


View larger version (21K):

[in a new window]
  		Fig. 3. Relationship between fall (after harvest) soil profile (90 cm) nitrate to overwinter (November–April) flow-weighted leachate NO3–N concentration. Dashed lines represent 95% confidence limits. The horizontal line at 10 mg NO3–N L–1 is the USEPA drinking water standard.

 


View larger version (26K):

[in a new window]
  		Fig. 4. Event average leachate atrazine and alachlor concentrations. Horizontal lines at 2 and 3 µg herbicide L–1 are the alachlor and atrazine maximum contaminant levels (MCLs), respectively.

 




HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
The SCI Journals Agronomy Journal Crop Science
Journal of Natural Resources
and Life Sciences Education		 Vadose Zone Journal
Soil Science Society of America Journal Journal of Plant Registrations The Plant Genome
Copyright © 2005 by the American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America.