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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
Journal of Natural Resources
and Life Sciences Education		 Vadose Zone Journal
Soil Science Society of America Journal Journal of Plant Registrations The Plant Genome
Copyright © 2009 by the American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America.