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Fixing the wheel the carpetbaggers broke |
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| Authors: | Martin Michael Lam Paul K S Richardson Bruce J |
| Institution: | 1. National Soil Tilth Laboratory, United States Department of Agriculture, Agricultural Research Service, Ames, Iowa 50011;2. Soil/Water Conservation Research Unit, United States Department of Agriculture, Agricultural Research Service, University of Nebraska, Lincoln, Nebraska 68583;3. Department of Agronomy, University of Illinois, Urbana, Illinois 61801;4. Department of Agronomy, Iowa State University, Ames, Iowa 50011 |
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