Seeding Date Effect on Rice Grain Yields in Arkansas and Louisiana
Nathan A. Slaton*,a,
Steve D. Linscombeb,
Richard J. Normanc and
Edward E. Gbur, Jr.d
a Dep. of Crop, Soil and Environmental Sciences, 1366 W. Altheimer Drive, Fayetteville, AR 72704
b Rice Res. Stn., Louisiana Agric. Exp. Stn., LSU Agricultural Center, P.O. Box 1429, Crowley, LA 70527
c Dep. of Crop, Soil and Environmental Sciences, 115 Plant Science Building, Fayetteville, AR 72701
d Agricultural Statistics Laboratory, University of Arkansas, Fayetteville, AR 72701

View larger version (25K):
[in a new window]
|
Fig. 1. The predicted (all data) and actual relative (RY) rice yields (by year averaged across cultivars) for Stuttgart, AR, and Crowley, LA, across seeding dates for studies conducted between 1966 and 1972.
|
|

View larger version (28K):
[in a new window]
|
Fig. 2. Predicted (all data) and actual relative (RY) rice yields (by year averaged across cultivars) for Stuttgart, AR, and Crowley, LA, across seeding dates for studies conducted between 1993 and 2000.
|
|

View larger version (36K):
[in a new window]
|
Fig. 3. Comparison of rice planting and harvest progress for the 5-yr periods from 1969 to 1973, 1979 to 1983, and 1992 to 1996 in Arkansas (AR) (Arkansas Agric. Statistics for 1984, 1985; Arkansas Agric. Statistics for 1996, 1997) and Louisiana (LA) (National Agric. Statistics Service, 2002).
|
|
Copyright © 2003 by the American Society of Agronomy.