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


     


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 Web of Science
Right arrow Alert me to new issues of the journal
Right arrow Download to citation manager
Right arrow reprints & permissions
Citing Articles
Right arrow Citing Articles via HighWire
Right arrow Citing Articles via Web of Science (21)
Right arrow Citing Articles via Google Scholar
Google Scholar
Right arrow Articles by Bowman, D. C.
Right arrow Articles by Rufty, T. W.
Right arrow Search for Related Content
PubMed
Right arrow Articles by Bowman, D. C.
Right arrow Articles by Rufty, T. W., Jr.
Agricola
Right arrow Articles by Bowman, D. C.
Right arrow Articles by Rufty, T. W.
Related Collections
Right arrow Turfgrass Management
Right arrow Nutrient Management
Right arrow Water Pollution

Fate and Transport of Nitrogen Applied to Six Warm-Season Turfgrasses

D. C. Bowman*, C. T. Cherney and T. W. Rufty, Jr.

Dep. of Crop Science, North Carolina State Univ., Raleigh, NC 27695



View larger version (26K):

[in a new window]
 
Fig. 1. Nitrate-N concentration in the leachate from six warm season turfgrasses following the first application (23 Oct.) of ammonium nitrate. Values are means of four samples.

 


View larger version (25K):

[in a new window]
 
Fig. 2. Ammonium-N concentration in the leachate from six warm season turfgrasses following the first application (23 Oct.) of ammonium nitrate. Values are means of four samples.

 


View larger version (25K):

[in a new window]
 
Fig. 3. Nitrate-N concentration in the leachate from six warm season turfgrasses following the second application (22 Nov.) of ammonium nitrate. Values are means of four samples.

 


View larger version (19K):

[in a new window]
 
Fig. 4. Nitrate-N concentration in the leachate from six warm season turfgrasses following the third application (21 Mar.) of ammonium nitrate. Values are means of four samples.

 


View larger version (18K):

[in a new window]
 
Fig. 5. Example of cumulative N harvest data analysis for estimating long term N use efficiency. Data are presented for centipedegrass and St. Augustinegrass, representing the least and most efficient species, respectively.

 


View larger version (30K):

[in a new window]
 
Fig. 6. Concentration of reduced N in the clippings from six warm season turfgrasses during the final 6 mo of the study. Arrows indicate NH4NO3 applications (50 kg N ha-1). Values are means of four samples.

 


View larger version (20K):

[in a new window]
 
Fig. 7. Nitrate leaching loss as a function of root length density. Leaching losses are averaged across the final three N application periods, and root length densities are averaged across the 30- to 55-cm soil depth.

 





HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
The SCI Journals Agronomy Journal Vadose Zone Journal
Journal of Natural Resources
and Life Sciences Education
Soil Science Society of America Journal
Journal of Plant Registrations Journal of
Environmental Quality
The Plant Genome
Copyright © 2002 by the Crop Science Society of America.