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 Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via Google Scholar Google Scholar Articles by Girma, K. Articles by Raun, W.R. Search for Related Content PubMed Articles by Girma, K. Articles by Raun, W.R. Agricola Articles by Girma, K. Articles by Raun, W.R. Related Collections Agroclimatology Production Agriculture Soil Fertility and Productivity

Weather, Fertilizer, Previous Year Yield, and Fertilizer Levels Affect Ensuing Year Fertilizer Response of Wheat

Dep. of Plant and Soil Sciences, Oklahoma State Univ., Stillwater, OK 74078

View larger version (8K): [in this window] [in a new window]   Fig. 1. Soil moisture (SM) as a predictor of grain yield in Exp. 222 at Stillwater, OK, for data compiled from 9 yr (1997–2005).

View larger version (7K): [in this window] [in a new window]   Fig. 2. Soil moisture (SM) as a predictor of response index (RI) in Exp. 222 at Stillwater, OK, for data compiled from 9 yr (1997–2005).

View larger version (8K): [in this window] [in a new window]   Fig. 3. Soil moisture (SM) as a predictor of grain yield in Exp. 502 at Lahoma, OK, for data compiled from 9 yr (1997–2005).

View larger version (10K): [in this window] [in a new window]   Fig. 4. Comparison of N responsiveness (RI) of the ensuing year when yields were low and high the previous year in Exp. 222 (top) and Exp. 502 (bottom).

View larger version (11K): [in this window] [in a new window]   Fig. 5. Relationship between an index developed from previous year grain yield (Yprevious), previous year response index (RIprevious), and rainfall distribution (H) versus ensuing year RI (RIensuing) for Exp. 222 (top) and Exp. 502 (bottom) at Stillwater and Lahoma, OK, respectively, for data compiled over more than 30 yr.