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Archive of 1989 Online Issues:

Previous 1989 Next
January
January-March 1989; 18 (1): 1 - 134

April
April-June 1989; 18 (2): 135 - 249

July
July-September 1989; 18 (3): 253 - 393

October
October-December 1989; 18 (4): 395 - 560 

 

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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.