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. 2021 Oct 6;12:715940. doi: 10.3389/fpls.2021.715940

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Copyright © 2021 Chiluwal, Haramoto, Hildebrand, Naeve, Poffenbarger, Purcell and Salmeron.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Summary of significant effects of cultural practices on soybean yield. (A) Soybean yield by rotation type (CC, cover crop; or fallow) and late-season input treatment (Control, Inoculant application at R3, and N fertilizer applications after R5) at each location and year. Data averaged across cultivars. Different letters above bars within a year and location indicate significantly different means at P < 0.05. (B) The net effect of cover crop (cover crop–fallow) on soybean yield by cultivar at each location and year. The asterisk indicates a significant cover crop effect at P < 0.05.