Correction: Nitrogen fertilization with pig slurry in a barley-sorghum double-annual forage cropping system

The article Nitrogen fertilization with pig slurry in a barley‑sorghum double‑annual forage cropping system, written by J. Ovejero, A. Maresma, E. A. N. Marks, C. Ortiz, J. Boixadera, X. Serra, S. Ponsá, J. Lloveras, C. Casas, was originally published Online First without Open Access. After publication in volume 124, issue 3, page 373–388, CRUE-CSIC consortium requested that the article be Open Choice to make the article an open access publication. Open access funding provided by Universitat de Vic—Universitat Central de Catalunya (UVic-UCC), within the CRUE-CSIC Agreement. Therefore, the copyright of the article has been changed to © The Author(s) 2024 and the article is forthwith distributed under the terms of the “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.