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Archive of 1991 Online Issues:

Previous 1991 Next
January
January-March 1991; 20 (1): 1 - 316

April
April-June 1991; 20 (2): 317 - 504

July
July-September 1991; 20 (3): 505 - 706

October
October-December 1991; 20 (4): 707 - 882 

 

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The SCI Journals Agronomy Journal Crop Science
Vadose Zone Journal Journal of Plant Registrations
Journal of Natural Resources
and Life Sciences Education		 Soil Science Society of America Journal
Copyright © 2008 by the American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America.