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. 2021 Feb 8;11:3336. doi: 10.1038/s41598-021-82797-x

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© The Author(s) 2021

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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Distributions, scatter plots, and correlations among biomass harvested in May, July, and September of 2019. The distribution of biomass values is displayed on the diagonal for alfalfa plots harvested on May 6–7, July 8–9, and September 3–4, 2019, with replications indicated by colors. Replication 1 and 2 contained 269 plots; replication 3 contained 270 plots. The correlations among harvest months are displayed as scatter plots in the lower triangular area and as the Pearson correlation coefficients in the upper triangular area.