HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS		QUICK SEARCH:   [advanced] Author: Keyword(s): Year:  Vol:  Page:

This Article Abstract Full Text Free Full Text (PDF) Free Alert me when this article is cited Alert me if a correction is posted Services Similar articles in this journal Similar articles in ISI Web of Science Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via HighWire Citing Articles via ISI Web of Science (5) Citing Articles via Google Scholar Google Scholar Articles by Dell, C. J. Articles by Rice, C. W. Search for Related Content PubMed Articles by Dell, C. J. Articles by Rice, C. W. Agricola Articles by Dell, C. J. Articles by Rice, C. W. Related Collections Fire Nutrient Cycling Nitrogen

Short-Term Competition for Ammonium and Nitrate in Tallgrass Prairie

^a USDA-ARS-PSWMRU, University Park, PA 16802
^b Department of Agronomy, 2004 Throckmorton Hall, Kansas State University, Manhattan, KS 66506

View larger version (31K): [in a new window]   Fig. 1. Mean distribution of 15N among soil and plant pools 6 d after application as either NH4 or NO3 at the Konza Prairie, Kansas, in June 1994. Error bars are the standard deviation of four replicates. Bars for the same N pool accompanied by the same letter do not differ significantly among combinations of burning and N source treatments (p 0.10).

View larger version (28K): [in a new window]   Fig. 2. Mean distribution of 15N among soil and plant pools 6 d after application as either NH4 or NO3 at the Konza Prairie, Kansas, in August 1994. Error bars are the standard deviation of four replicates. Bars for the same N pool accompanied by the same letter do not differ significantly among combinations of burning and N source treatments (p 0.10).