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. 2023 Aug 24;43(5):60. doi: 10.1007/s13593-023-00914-8

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© The Author(s) 2023

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 7 — Yield of wheat (a), barley (b) and beans (c) at both sites in 2020–2021. Only the significant interaction of the highest order is displayed on the graph (For details see Table 4). The x-axis displays the combination of rotation and previous-crop (Rotation.Pre-crop) for wheat on (a), the nutrition factor (additional organic amendment vs standard fertilization) for barley on (b) and the rotation factor for beans on (c). R3, R5 and R7 indicated the 3-, 5- and 7-year rotations, respectively. W wheat, OSR winter oil seed rape, SBe spring beans, GC2 the 2^nd year grass/clover ley, Soy soybean. Mean values are indicated by diamond points. The lower and upper hinges correspond to the 25^th and 75^th percentiles, and the whiskers extend from the hinge to the largest or smallest value but no further than 1.5 times of the inter-quartile range from the hinge.